Shareholder Report, Holdings (Details)
|
Sep. 30, 2024 |
| C000162546 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.60%
|
|
| C000162546 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
|
| C000014629 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.60%
|
|
| C000014629 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
|
| C000079553 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.60%
|
|
| C000079553 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
|
| C000014630 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.60%
|
|
| C000014630 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
|
| C000014628 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.60%
|
|
| C000014628 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
|
| C000162549 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[1] |
| C000162549 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.90%
|
[1] |
| C000162549 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
[1] |
| C000162549 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
47.00%
|
[1] |
| C000162549 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.20%
|
[1] |
| C000162549 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.70%
|
[1] |
| C000162549 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.40%
|
[1] |
| C000162549 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[1] |
| C000162549 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[1] |
| C000162549 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162549 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000162549 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
46.90%
|
|
| C000162549 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.90%
|
|
| C000162549 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.30%
|
|
| C000162549 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000162549 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.10%
|
|
| C000162549 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000162549 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000162549 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000162549 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033992 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[2] |
| C000033992 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.90%
|
[2] |
| C000033992 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
[2] |
| C000033992 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
47.00%
|
[2] |
| C000033992 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.20%
|
[2] |
| C000033992 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.70%
|
[2] |
| C000033992 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.40%
|
[2] |
| C000033992 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[2] |
| C000033992 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[2] |
| C000033992 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033992 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000033992 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
46.90%
|
|
| C000033992 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.90%
|
|
| C000033992 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.30%
|
|
| C000033992 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000033992 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.10%
|
|
| C000033992 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000033992 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000033992 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033992 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079556 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[3] |
| C000079556 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.90%
|
[3] |
| C000079556 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
[3] |
| C000079556 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
47.00%
|
[3] |
| C000079556 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.20%
|
[3] |
| C000079556 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.70%
|
[3] |
| C000079556 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.40%
|
[3] |
| C000079556 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[3] |
| C000079556 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[3] |
| C000079556 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079556 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000079556 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
46.90%
|
|
| C000079556 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.90%
|
|
| C000079556 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.30%
|
|
| C000079556 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000079556 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.10%
|
|
| C000079556 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000079556 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000079556 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000079556 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033991 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[4] |
| C000033991 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.90%
|
[4] |
| C000033991 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
[4] |
| C000033991 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
47.00%
|
[4] |
| C000033991 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.20%
|
[4] |
| C000033991 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.70%
|
[4] |
| C000033991 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.40%
|
[4] |
| C000033991 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[4] |
| C000033991 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[4] |
| C000033991 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033991 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000033991 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
46.90%
|
|
| C000033991 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.90%
|
|
| C000033991 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.30%
|
|
| C000033991 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000033991 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.10%
|
|
| C000033991 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000033991 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000033991 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033991 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000014635 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[5] |
| C000014635 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.90%
|
[5] |
| C000014635 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
[5] |
| C000014635 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
47.00%
|
[5] |
| C000014635 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.20%
|
[5] |
| C000014635 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.70%
|
[5] |
| C000014635 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.40%
|
[5] |
| C000014635 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[5] |
| C000014635 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[5] |
| C000014635 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000014635 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000014635 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
46.90%
|
|
| C000014635 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.90%
|
|
| C000014635 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.30%
|
|
| C000014635 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000014635 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.10%
|
|
| C000014635 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000014635 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000014635 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000014635 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202747 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[6] |
| C000202747 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.90%
|
[6] |
| C000202747 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
[6] |
| C000202747 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
47.00%
|
[6] |
| C000202747 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.20%
|
[6] |
| C000202747 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.70%
|
[6] |
| C000202747 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.40%
|
[6] |
| C000202747 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[6] |
| C000202747 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[6] |
| C000202747 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202747 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000202747 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
46.90%
|
|
| C000202747 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.90%
|
|
| C000202747 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.30%
|
|
| C000202747 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000202747 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.10%
|
|
| C000202747 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000202747 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000202747 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000202747 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162550 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[7] |
| C000162550 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.70%
|
[7] |
| C000162550 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[7] |
| C000162550 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
98.50%
|
|
| C000162550 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000162550 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162550 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
|
| C000014637 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[8] |
| C000014637 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.70%
|
[8] |
| C000014637 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[8] |
| C000014637 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
98.50%
|
|
| C000014637 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000014637 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000014637 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
|
| C000079557 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[9] |
| C000079557 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.70%
|
[9] |
| C000079557 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[9] |
| C000079557 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
98.50%
|
|
| C000079557 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000079557 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079557 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
|
| C000033993 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[10] |
| C000033993 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.70%
|
[10] |
| C000033993 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[10] |
| C000033993 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
98.50%
|
|
| C000033993 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000033993 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033993 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
|
| C000014636 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[11] |
| C000014636 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.70%
|
[11] |
| C000014636 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[11] |
| C000014636 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
98.50%
|
|
| C000014636 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000014636 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000014636 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
|
| C000202748 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[12] |
| C000202748 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.70%
|
[12] |
| C000202748 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[12] |
| C000202748 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
98.50%
|
|
| C000202748 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000202748 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202748 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
|
| C000162551 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.80%
|
|
| C000162551 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.50%
|
|
| C000162551 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
23.40%
|
|
| C000162551 [Member] | Short Term Variable Rate Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.30%
|
|
| C000033995 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.80%
|
|
| C000033995 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.50%
|
|
| C000033995 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
23.40%
|
|
| C000033995 [Member] | Short Term Variable Rate Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.30%
|
|
| C000079558 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.80%
|
|
| C000079558 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.50%
|
|
| C000079558 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
23.40%
|
|
| C000079558 [Member] | Short Term Variable Rate Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.30%
|
|
| C000033994 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.80%
|
|
| C000033994 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.50%
|
|
| C000033994 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
23.40%
|
|
| C000033994 [Member] | Short Term Variable Rate Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.30%
|
|
| C000014638 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
14.80%
|
|
| C000014638 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.50%
|
|
| C000014638 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
23.40%
|
|
| C000014638 [Member] | Short Term Variable Rate Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.30%
|
|
| C000162566 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[13] |
| C000162566 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[13] |
| C000162566 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[13] |
| C000162566 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
48.60%
|
[13] |
| C000162566 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.00%
|
[13] |
| C000162566 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.10%
|
[13] |
| C000162566 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
[13] |
| C000162566 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
[13] |
| C000162566 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[13] |
| C000162566 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000162566 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
44.40%
|
|
| C000162566 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.30%
|
|
| C000162566 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000162566 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.00%
|
|
| C000162566 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000162566 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033274 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[14] |
| C000033274 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[14] |
| C000033274 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[14] |
| C000033274 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
48.60%
|
[14] |
| C000033274 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.00%
|
[14] |
| C000033274 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.10%
|
[14] |
| C000033274 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
[14] |
| C000033274 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
[14] |
| C000033274 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[14] |
| C000033274 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033274 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
44.40%
|
|
| C000033274 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.30%
|
|
| C000033274 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000033274 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.00%
|
|
| C000033274 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033274 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000079571 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[15] |
| C000079571 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[15] |
| C000079571 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[15] |
| C000079571 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
48.60%
|
[15] |
| C000079571 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.00%
|
[15] |
| C000079571 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.10%
|
[15] |
| C000079571 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
[15] |
| C000079571 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
[15] |
| C000079571 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[15] |
| C000079571 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000079571 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
44.40%
|
|
| C000079571 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.30%
|
|
| C000079571 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000079571 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.00%
|
|
| C000079571 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000079571 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033275 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[16] |
| C000033275 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[16] |
| C000033275 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[16] |
| C000033275 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
48.60%
|
[16] |
| C000033275 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.00%
|
[16] |
| C000033275 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.10%
|
[16] |
| C000033275 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
[16] |
| C000033275 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
[16] |
| C000033275 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[16] |
| C000033275 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033275 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
44.40%
|
|
| C000033275 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.30%
|
|
| C000033275 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000033275 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.00%
|
|
| C000033275 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033275 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033276 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[17] |
| C000033276 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[17] |
| C000033276 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[17] |
| C000033276 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
48.60%
|
[17] |
| C000033276 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.00%
|
[17] |
| C000033276 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.10%
|
[17] |
| C000033276 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
[17] |
| C000033276 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
[17] |
| C000033276 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[17] |
| C000033276 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033276 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
44.40%
|
|
| C000033276 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.30%
|
|
| C000033276 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000033276 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.00%
|
|
| C000033276 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033276 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000202755 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[18] |
| C000202755 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[18] |
| C000202755 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[18] |
| C000202755 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
48.60%
|
[18] |
| C000202755 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.00%
|
[18] |
| C000202755 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.10%
|
[18] |
| C000202755 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
[18] |
| C000202755 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
[18] |
| C000202755 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[18] |
| C000202755 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000202755 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
44.40%
|
|
| C000202755 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
33.30%
|
|
| C000202755 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000202755 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.00%
|
|
| C000202755 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000202755 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000162567 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.40%
|
[19] |
| C000162567 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.50%
|
[19] |
| C000162567 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
[19] |
| C000162567 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[19] |
| C000162567 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
49.80%
|
[19] |
| C000162567 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
37.50%
|
[19] |
| C000162567 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[19] |
| C000162567 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162567 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
|
| C000162567 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
88.70%
|
|
| C000162567 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.90%
|
|
| C000162567 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
|
| C000162567 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.40%
|
|
| C000162567 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.40%
|
|
| C000162567 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033277 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.40%
|
[20] |
| C000033277 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.50%
|
[20] |
| C000033277 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
[20] |
| C000033277 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[20] |
| C000033277 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
49.80%
|
[20] |
| C000033277 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
37.50%
|
[20] |
| C000033277 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[20] |
| C000033277 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033277 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
|
| C000033277 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
88.70%
|
|
| C000033277 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.90%
|
|
| C000033277 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
|
| C000033277 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.40%
|
|
| C000033277 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.40%
|
|
| C000033277 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079572 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.40%
|
[21] |
| C000079572 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.50%
|
[21] |
| C000079572 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
[21] |
| C000079572 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[21] |
| C000079572 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
49.80%
|
[21] |
| C000079572 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
37.50%
|
[21] |
| C000079572 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[21] |
| C000079572 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079572 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
|
| C000079572 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
88.70%
|
|
| C000079572 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.90%
|
|
| C000079572 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
|
| C000079572 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.40%
|
|
| C000079572 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.40%
|
|
| C000079572 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033278 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.40%
|
[22] |
| C000033278 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.50%
|
[22] |
| C000033278 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
[22] |
| C000033278 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[22] |
| C000033278 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
49.80%
|
[22] |
| C000033278 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
37.50%
|
[22] |
| C000033278 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[22] |
| C000033278 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033278 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
|
| C000033278 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
88.70%
|
|
| C000033278 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.90%
|
|
| C000033278 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
|
| C000033278 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.40%
|
|
| C000033278 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.40%
|
|
| C000033278 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033279 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.40%
|
[23] |
| C000033279 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.50%
|
[23] |
| C000033279 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
[23] |
| C000033279 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[23] |
| C000033279 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
49.80%
|
[23] |
| C000033279 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
37.50%
|
[23] |
| C000033279 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[23] |
| C000033279 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033279 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
|
| C000033279 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
88.70%
|
|
| C000033279 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.90%
|
|
| C000033279 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
|
| C000033279 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.40%
|
|
| C000033279 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.40%
|
|
| C000033279 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202756 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.40%
|
[24] |
| C000202756 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.50%
|
[24] |
| C000202756 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
[24] |
| C000202756 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
[24] |
| C000202756 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
49.80%
|
[24] |
| C000202756 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
37.50%
|
[24] |
| C000202756 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[24] |
| C000202756 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202756 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.80%
|
|
| C000202756 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
88.70%
|
|
| C000202756 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.90%
|
|
| C000202756 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
|
| C000202756 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.40%
|
|
| C000202756 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.40%
|
|
| C000202756 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162569 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[25] |
| C000162569 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.50%
|
[25] |
| C000162569 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[25] |
| C000162569 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.50%
|
[25] |
| C000162569 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.00%
|
[25] |
| C000162569 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.30%
|
[25] |
| C000162569 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.90%
|
[25] |
| C000162569 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[25] |
| C000162569 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[25] |
| C000162569 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162569 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000162569 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
39.00%
|
|
| C000162569 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.10%
|
|
| C000162569 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.50%
|
|
| C000162569 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
|
| C000162569 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.00%
|
|
| C000162569 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000162569 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000162569 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000162569 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033283 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[26] |
| C000033283 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.50%
|
[26] |
| C000033283 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[26] |
| C000033283 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.50%
|
[26] |
| C000033283 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.00%
|
[26] |
| C000033283 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.30%
|
[26] |
| C000033283 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.90%
|
[26] |
| C000033283 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[26] |
| C000033283 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[26] |
| C000033283 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033283 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000033283 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
39.00%
|
|
| C000033283 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.10%
|
|
| C000033283 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.50%
|
|
| C000033283 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
|
| C000033283 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.00%
|
|
| C000033283 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000033283 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000033283 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033283 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079574 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[27] |
| C000079574 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.50%
|
[27] |
| C000079574 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[27] |
| C000079574 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.50%
|
[27] |
| C000079574 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.00%
|
[27] |
| C000079574 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.30%
|
[27] |
| C000079574 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.90%
|
[27] |
| C000079574 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[27] |
| C000079574 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[27] |
| C000079574 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079574 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000079574 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
39.00%
|
|
| C000079574 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.10%
|
|
| C000079574 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.50%
|
|
| C000079574 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
|
| C000079574 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.00%
|
|
| C000079574 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000079574 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000079574 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000079574 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033284 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[28] |
| C000033284 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.50%
|
[28] |
| C000033284 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[28] |
| C000033284 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.50%
|
[28] |
| C000033284 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.00%
|
[28] |
| C000033284 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.30%
|
[28] |
| C000033284 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.90%
|
[28] |
| C000033284 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[28] |
| C000033284 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[28] |
| C000033284 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033284 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000033284 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
39.00%
|
|
| C000033284 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.10%
|
|
| C000033284 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.50%
|
|
| C000033284 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
|
| C000033284 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.00%
|
|
| C000033284 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000033284 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000033284 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033284 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033285 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[29] |
| C000033285 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.50%
|
[29] |
| C000033285 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[29] |
| C000033285 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.50%
|
[29] |
| C000033285 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.00%
|
[29] |
| C000033285 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.30%
|
[29] |
| C000033285 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.90%
|
[29] |
| C000033285 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[29] |
| C000033285 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[29] |
| C000033285 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000033285 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000033285 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
39.00%
|
|
| C000033285 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.10%
|
|
| C000033285 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.50%
|
|
| C000033285 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
|
| C000033285 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.00%
|
|
| C000033285 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000033285 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000033285 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033285 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202758 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[30] |
| C000202758 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.50%
|
[30] |
| C000202758 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[30] |
| C000202758 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.50%
|
[30] |
| C000202758 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.00%
|
[30] |
| C000202758 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
22.30%
|
[30] |
| C000202758 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.90%
|
[30] |
| C000202758 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.20%
|
[30] |
| C000202758 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
7.80%
|
[30] |
| C000202758 [Member] | Common Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202758 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000202758 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
39.00%
|
|
| C000202758 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.10%
|
|
| C000202758 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.50%
|
|
| C000202758 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
|
| C000202758 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.00%
|
|
| C000202758 [Member] | Investment companies [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000202758 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000202758 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000202758 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162570 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[31] |
| C000162570 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
[31] |
| C000162570 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
42.50%
|
[31] |
| C000162570 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.90%
|
[31] |
| C000162570 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.70%
|
[31] |
| C000162570 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[31] |
| C000162570 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
[31] |
| C000162570 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.00%
|
|
| C000162570 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000162570 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033286 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[32] |
| C000033286 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
[32] |
| C000033286 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
42.50%
|
[32] |
| C000033286 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.90%
|
[32] |
| C000033286 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.70%
|
[32] |
| C000033286 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[32] |
| C000033286 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
[32] |
| C000033286 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.00%
|
|
| C000033286 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033286 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000033287 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[33] |
| C000033287 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.40%
|
[33] |
| C000033287 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
42.50%
|
[33] |
| C000033287 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
36.90%
|
[33] |
| C000033287 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.70%
|
[33] |
| C000033287 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
[33] |
| C000033287 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
[33] |
| C000033287 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
99.00%
|
|
| C000033287 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000033287 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000162579 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.70%
|
[34] |
| C000162579 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[34] |
| C000162579 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
70.90%
|
[34] |
| C000162579 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[34] |
| C000162579 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.60%
|
[34] |
| C000162579 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[34] |
| C000162579 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
[34] |
| C000162579 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000162579 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.40%
|
|
| C000162579 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.10%
|
|
| C000162579 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
|
| C000162579 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000162579 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000162579 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079526 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.70%
|
[35] |
| C000079526 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[35] |
| C000079526 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
70.90%
|
[35] |
| C000079526 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[35] |
| C000079526 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.60%
|
[35] |
| C000079526 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[35] |
| C000079526 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
[35] |
| C000079526 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000079526 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.40%
|
|
| C000079526 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.10%
|
|
| C000079526 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
|
| C000079526 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000079526 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000079526 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079525 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.70%
|
[36] |
| C000079525 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[36] |
| C000079525 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
70.90%
|
[36] |
| C000079525 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[36] |
| C000079525 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.60%
|
[36] |
| C000079525 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[36] |
| C000079525 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
[36] |
| C000079525 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000079525 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.40%
|
|
| C000079525 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.10%
|
|
| C000079525 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
|
| C000079525 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000079525 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000079525 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079524 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.70%
|
[37] |
| C000079524 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[37] |
| C000079524 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
70.90%
|
[37] |
| C000079524 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[37] |
| C000079524 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.60%
|
[37] |
| C000079524 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[37] |
| C000079524 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
[37] |
| C000079524 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000079524 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.40%
|
|
| C000079524 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.10%
|
|
| C000079524 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
|
| C000079524 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000079524 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000079524 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000079523 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.70%
|
[38] |
| C000079523 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[38] |
| C000079523 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
70.90%
|
[38] |
| C000079523 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[38] |
| C000079523 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.60%
|
[38] |
| C000079523 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[38] |
| C000079523 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
[38] |
| C000079523 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000079523 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.40%
|
|
| C000079523 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.10%
|
|
| C000079523 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
|
| C000079523 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000079523 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000079523 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202762 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.70%
|
[39] |
| C000202762 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[39] |
| C000202762 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
70.90%
|
[39] |
| C000202762 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[39] |
| C000202762 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.60%
|
[39] |
| C000202762 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[39] |
| C000202762 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.30%
|
[39] |
| C000202762 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
|
| C000202762 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.40%
|
|
| C000202762 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.10%
|
|
| C000202762 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.10%
|
|
| C000202762 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000202762 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.70%
|
|
| C000202762 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162598 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[40] |
| C000162598 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[40] |
| C000162598 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.10%
|
[40] |
| C000162598 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
52.20%
|
[40] |
| C000162598 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[40] |
| C000162598 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.70%
|
[40] |
| C000162598 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
[40] |
| C000162598 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[40] |
| C000162598 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[40] |
| C000162598 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000162598 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
58.20%
|
|
| C000162598 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.80%
|
|
| C000162598 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.90%
|
|
| C000162598 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000162598 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
|
| C000162598 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000162598 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000162598 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000117723 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[41] |
| C000117723 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[41] |
| C000117723 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.10%
|
[41] |
| C000117723 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
52.20%
|
[41] |
| C000117723 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[41] |
| C000117723 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.70%
|
[41] |
| C000117723 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
[41] |
| C000117723 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[41] |
| C000117723 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[41] |
| C000117723 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000117723 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
58.20%
|
|
| C000117723 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.80%
|
|
| C000117723 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.90%
|
|
| C000117723 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000117723 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
|
| C000117723 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000117723 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000117723 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000117722 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[42] |
| C000117722 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[42] |
| C000117722 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.10%
|
[42] |
| C000117722 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
52.20%
|
[42] |
| C000117722 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[42] |
| C000117722 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.70%
|
[42] |
| C000117722 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
[42] |
| C000117722 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[42] |
| C000117722 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[42] |
| C000117722 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000117722 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
58.20%
|
|
| C000117722 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.80%
|
|
| C000117722 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.90%
|
|
| C000117722 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000117722 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
|
| C000117722 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000117722 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000117722 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000117724 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[43] |
| C000117724 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[43] |
| C000117724 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.10%
|
[43] |
| C000117724 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
52.20%
|
[43] |
| C000117724 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[43] |
| C000117724 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.70%
|
[43] |
| C000117724 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
[43] |
| C000117724 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[43] |
| C000117724 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[43] |
| C000117724 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000117724 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
58.20%
|
|
| C000117724 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.80%
|
|
| C000117724 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.90%
|
|
| C000117724 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000117724 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
|
| C000117724 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000117724 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000117724 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000117721 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.10%
|
[44] |
| C000117721 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.50%
|
[44] |
| C000117721 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
5.10%
|
[44] |
| C000117721 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
52.20%
|
[44] |
| C000117721 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[44] |
| C000117721 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.70%
|
[44] |
| C000117721 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.80%
|
[44] |
| C000117721 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[44] |
| C000117721 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.70%
|
[44] |
| C000117721 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000117721 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
58.20%
|
|
| C000117721 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.80%
|
|
| C000117721 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
11.90%
|
|
| C000117721 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
|
| C000117721 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.90%
|
|
| C000117721 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.90%
|
|
| C000117721 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000117721 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162603 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[45] |
| C000162603 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[45] |
| C000162603 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
74.10%
|
[45] |
| C000162603 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[45] |
| C000162603 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[45] |
| C000162603 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[45] |
| C000162603 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[45] |
| C000162603 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000162603 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.90%
|
|
| C000162603 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.30%
|
|
| C000162603 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000162603 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000162603 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000158752 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[46] |
| C000158752 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[46] |
| C000158752 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
74.10%
|
[46] |
| C000158752 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[46] |
| C000158752 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[46] |
| C000158752 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[46] |
| C000158752 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[46] |
| C000158752 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000158752 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.90%
|
|
| C000158752 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.30%
|
|
| C000158752 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000158752 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000158752 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000158751 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[47] |
| C000158751 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[47] |
| C000158751 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
74.10%
|
[47] |
| C000158751 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[47] |
| C000158751 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[47] |
| C000158751 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[47] |
| C000158751 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[47] |
| C000158751 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000158751 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.90%
|
|
| C000158751 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.30%
|
|
| C000158751 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000158751 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000158751 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000158753 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[48] |
| C000158753 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[48] |
| C000158753 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
74.10%
|
[48] |
| C000158753 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[48] |
| C000158753 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[48] |
| C000158753 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[48] |
| C000158753 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[48] |
| C000158753 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000158753 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.90%
|
|
| C000158753 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.30%
|
|
| C000158753 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000158753 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000158753 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000158750 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[49] |
| C000158750 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[49] |
| C000158750 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
74.10%
|
[49] |
| C000158750 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[49] |
| C000158750 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[49] |
| C000158750 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[49] |
| C000158750 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[49] |
| C000158750 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000158750 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.90%
|
|
| C000158750 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.30%
|
|
| C000158750 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000158750 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000158750 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000202767 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.30%
|
[50] |
| C000202767 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[50] |
| C000202767 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
74.10%
|
[50] |
| C000202767 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
12.30%
|
[50] |
| C000202767 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
10.10%
|
[50] |
| C000202767 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[50] |
| C000202767 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
[50] |
| C000202767 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.20%
|
|
| C000202767 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
71.90%
|
|
| C000202767 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.30%
|
|
| C000202767 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
|
| C000202767 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000202767 [Member] | Short Term Government Agency Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000205815 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[51] |
| C000205815 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.20%
|
[51] |
| C000205815 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.00%
|
[51] |
| C000205815 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.90%
|
[51] |
| C000205815 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
31.00%
|
[51] |
| C000205815 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.60%
|
[51] |
| C000205815 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.40%
|
[51] |
| C000205815 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
[51] |
| C000205815 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
[51] |
| C000205815 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.00%
|
|
| C000205815 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
54.60%
|
|
| C000205815 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.00%
|
|
| C000205815 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000205815 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
|
| C000205815 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000205813 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[52] |
| C000205813 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.20%
|
[52] |
| C000205813 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.00%
|
[52] |
| C000205813 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.90%
|
[52] |
| C000205813 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
31.00%
|
[52] |
| C000205813 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.60%
|
[52] |
| C000205813 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.40%
|
[52] |
| C000205813 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
[52] |
| C000205813 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
[52] |
| C000205813 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.00%
|
|
| C000205813 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
54.60%
|
|
| C000205813 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.00%
|
|
| C000205813 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000205813 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
|
| C000205813 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000205812 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[53] |
| C000205812 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.20%
|
[53] |
| C000205812 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.00%
|
[53] |
| C000205812 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.90%
|
[53] |
| C000205812 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
31.00%
|
[53] |
| C000205812 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.60%
|
[53] |
| C000205812 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.40%
|
[53] |
| C000205812 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
[53] |
| C000205812 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
[53] |
| C000205812 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.00%
|
|
| C000205812 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
54.60%
|
|
| C000205812 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.00%
|
|
| C000205812 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000205812 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
|
| C000205812 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000205814 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[54] |
| C000205814 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.20%
|
[54] |
| C000205814 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.00%
|
[54] |
| C000205814 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.90%
|
[54] |
| C000205814 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
31.00%
|
[54] |
| C000205814 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.60%
|
[54] |
| C000205814 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.40%
|
[54] |
| C000205814 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
[54] |
| C000205814 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
[54] |
| C000205814 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.00%
|
|
| C000205814 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
54.60%
|
|
| C000205814 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.00%
|
|
| C000205814 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000205814 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
|
| C000205814 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000205811 [Member] | Below B B [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.00%
|
[55] |
| C000205811 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
18.20%
|
[55] |
| C000205811 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
8.00%
|
[55] |
| C000205811 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.90%
|
[55] |
| C000205811 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
31.00%
|
[55] |
| C000205811 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.60%
|
[55] |
| C000205811 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
6.40%
|
[55] |
| C000205811 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
[55] |
| C000205811 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
[55] |
| C000205811 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
25.00%
|
|
| C000205811 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
54.60%
|
|
| C000205811 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
17.00%
|
|
| C000205811 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.70%
|
|
| C000205811 [Member] | Repurchase Agreements [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.20%
|
|
| C000205811 [Member] | Preferred Stock [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.50%
|
|
| C000205820 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.10%
|
[56] |
| C000205820 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.10%
|
[56] |
| C000205820 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
34.30%
|
[56] |
| C000205820 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.30%
|
[56] |
| C000205820 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.30%
|
[56] |
| C000205820 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.00%
|
[56] |
| C000205820 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[56] |
| C000205820 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[56] |
| C000205820 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000205820 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.40%
|
|
| C000205820 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
32.80%
|
|
| C000205820 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000205820 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000205820 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000205818 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.10%
|
[57] |
| C000205818 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.10%
|
[57] |
| C000205818 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
34.30%
|
[57] |
| C000205818 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.30%
|
[57] |
| C000205818 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.30%
|
[57] |
| C000205818 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.00%
|
[57] |
| C000205818 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[57] |
| C000205818 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[57] |
| C000205818 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000205818 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.40%
|
|
| C000205818 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
32.80%
|
|
| C000205818 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000205818 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000205818 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000205817 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.10%
|
[58] |
| C000205817 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.10%
|
[58] |
| C000205817 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
34.30%
|
[58] |
| C000205817 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.30%
|
[58] |
| C000205817 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.30%
|
[58] |
| C000205817 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.00%
|
[58] |
| C000205817 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[58] |
| C000205817 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[58] |
| C000205817 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000205817 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.40%
|
|
| C000205817 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
32.80%
|
|
| C000205817 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000205817 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000205817 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000205819 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.10%
|
[59] |
| C000205819 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.10%
|
[59] |
| C000205819 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
34.30%
|
[59] |
| C000205819 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.30%
|
[59] |
| C000205819 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.30%
|
[59] |
| C000205819 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.00%
|
[59] |
| C000205819 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[59] |
| C000205819 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[59] |
| C000205819 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000205819 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.40%
|
|
| C000205819 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
32.80%
|
|
| C000205819 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000205819 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000205819 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
| C000205816 [Member] | Moody's, Aaa Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
16.10%
|
[60] |
| C000205816 [Member] | N R not rated [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
15.10%
|
[60] |
| C000205816 [Member] | Standard & Poor's, AA Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
34.30%
|
[60] |
| C000205816 [Member] | Standard & Poor's, A Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
21.30%
|
[60] |
| C000205816 [Member] | Standard & Poor's, BBB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
9.30%
|
[60] |
| C000205816 [Member] | Standard & Poor's, BB Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
3.00%
|
[60] |
| C000205816 [Member] | Standard & Poor's, B Rating [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.60%
|
[60] |
| C000205816 [Member] | N A not applicable [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
[60] |
| C000205816 [Member] | Short Term Treasury Debt [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
1.80%
|
|
| C000205816 [Member] | Government Bonds [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
43.40%
|
|
| C000205816 [Member] | Corporate Bond Securities [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
32.80%
|
|
| C000205816 [Member] | Structured Assets [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
19.40%
|
|
| C000205816 [Member] | Bank Loan Obligations [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
2.30%
|
|
| C000205816 [Member] | Investments Purchased with Collateral from Securities Lending [Member] |
|
|
| Holdings [Line Items] |
|
|
| Percent of Total Investments |
0.30%
|
|
|
|