v3.26.1
Shareholder Report, Holdings (Details)
Mar. 31, 2026
C000096621 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 46.48%
C000096621 | A  
Holdings [Line Items]  
Percent of Total Investments 4.19%
C000096621 | A-  
Holdings [Line Items]  
Percent of Total Investments 0.67%
C000096621 | A+  
Holdings [Line Items]  
Percent of Total Investments 2.54%
C000096621 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000096621 | AA-  
Holdings [Line Items]  
Percent of Total Investments 1.94%
C000096621 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.95%
C000096621 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.84%
C000096621 | B  
Holdings [Line Items]  
Percent of Total Investments 1.03%
C000096621 | B-  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000096621 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.53%
C000096621 | BB  
Holdings [Line Items]  
Percent of Total Investments 2.09%
C000096621 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.64%
C000096621 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.21%
C000096621 | BBB  
Holdings [Line Items]  
Percent of Total Investments 4.81%
C000096621 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 9.95%
C000096621 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 1.61%
C000096621 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.12%
C000096621 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.34%
C000096621 | CCC-  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000096621 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000096623 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 46.48%
C000096623 | A  
Holdings [Line Items]  
Percent of Total Investments 4.19%
C000096623 | A-  
Holdings [Line Items]  
Percent of Total Investments 0.67%
C000096623 | A+  
Holdings [Line Items]  
Percent of Total Investments 2.54%
C000096623 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000096623 | AA-  
Holdings [Line Items]  
Percent of Total Investments 1.94%
C000096623 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.95%
C000096623 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.84%
C000096623 | B  
Holdings [Line Items]  
Percent of Total Investments 1.03%
C000096623 | B-  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000096623 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.53%
C000096623 | BB  
Holdings [Line Items]  
Percent of Total Investments 2.09%
C000096623 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.64%
C000096623 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.21%
C000096623 | BBB  
Holdings [Line Items]  
Percent of Total Investments 4.81%
C000096623 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 9.95%
C000096623 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 1.61%
C000096623 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.12%
C000096623 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.34%
C000096623 | CCC-  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000096623 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000096624 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 46.48%
C000096624 | A  
Holdings [Line Items]  
Percent of Total Investments 4.19%
C000096624 | A-  
Holdings [Line Items]  
Percent of Total Investments 0.67%
C000096624 | A+  
Holdings [Line Items]  
Percent of Total Investments 2.54%
C000096624 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000096624 | AA-  
Holdings [Line Items]  
Percent of Total Investments 1.94%
C000096624 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.95%
C000096624 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.84%
C000096624 | B  
Holdings [Line Items]  
Percent of Total Investments 1.03%
C000096624 | B-  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000096624 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.53%
C000096624 | BB  
Holdings [Line Items]  
Percent of Total Investments 2.09%
C000096624 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.64%
C000096624 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.21%
C000096624 | BBB  
Holdings [Line Items]  
Percent of Total Investments 4.81%
C000096624 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 9.95%
C000096624 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 1.61%
C000096624 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.12%
C000096624 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.34%
C000096624 | CCC-  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000096624 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000188226 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 46.48%
C000188226 | A  
Holdings [Line Items]  
Percent of Total Investments 4.19%
C000188226 | A-  
Holdings [Line Items]  
Percent of Total Investments 0.67%
C000188226 | A+  
Holdings [Line Items]  
Percent of Total Investments 2.54%
C000188226 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000188226 | AA-  
Holdings [Line Items]  
Percent of Total Investments 1.94%
C000188226 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.95%
C000188226 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.84%
C000188226 | B  
Holdings [Line Items]  
Percent of Total Investments 1.03%
C000188226 | B-  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000188226 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.53%
C000188226 | BB  
Holdings [Line Items]  
Percent of Total Investments 2.09%
C000188226 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.64%
C000188226 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.21%
C000188226 | BBB  
Holdings [Line Items]  
Percent of Total Investments 4.81%
C000188226 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 9.95%
C000188226 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 1.61%
C000188226 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.12%
C000188226 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.34%
C000188226 | CCC-  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000188226 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000096625 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 46.48%
C000096625 | A  
Holdings [Line Items]  
Percent of Total Investments 4.19%
C000096625 | A-  
Holdings [Line Items]  
Percent of Total Investments 0.67%
C000096625 | A+  
Holdings [Line Items]  
Percent of Total Investments 2.54%
C000096625 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000096625 | AA-  
Holdings [Line Items]  
Percent of Total Investments 1.94%
C000096625 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.95%
C000096625 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.84%
C000096625 | B  
Holdings [Line Items]  
Percent of Total Investments 1.03%
C000096625 | B-  
Holdings [Line Items]  
Percent of Total Investments 2.10%
C000096625 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.53%
C000096625 | BB  
Holdings [Line Items]  
Percent of Total Investments 2.09%
C000096625 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.64%
C000096625 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.21%
C000096625 | BBB  
Holdings [Line Items]  
Percent of Total Investments 4.81%
C000096625 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 9.95%
C000096625 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 1.61%
C000096625 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.12%
C000096625 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.34%
C000096625 | CCC-  
Holdings [Line Items]  
Percent of Total Investments 0.80%
C000096625 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000020576 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 6.96%
C000020576 | A  
Holdings [Line Items]  
Percent of Total Investments 11.31%
C000020576 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.58%
C000020576 | A+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000020576 | AA  
Holdings [Line Items]  
Percent of Total Investments 26.91%
C000020576 | AA-  
Holdings [Line Items]  
Percent of Total Investments 20.43%
C000020576 | AA+  
Holdings [Line Items]  
Percent of Total Investments 3.86%
C000020576 | AAA  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000020576 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000020576 | BB  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000020576 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.06%
C000020576 | BBB  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000020576 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.56%
C000020576 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000020576 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.09%
C000020576 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000020577 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 6.96%
C000020577 | A  
Holdings [Line Items]  
Percent of Total Investments 11.31%
C000020577 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.58%
C000020577 | A+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000020577 | AA  
Holdings [Line Items]  
Percent of Total Investments 26.91%
C000020577 | AA-  
Holdings [Line Items]  
Percent of Total Investments 20.43%
C000020577 | AA+  
Holdings [Line Items]  
Percent of Total Investments 3.86%
C000020577 | AAA  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000020577 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000020577 | BB  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000020577 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.06%
C000020577 | BBB  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000020577 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.56%
C000020577 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000020577 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.09%
C000020577 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000054742 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 6.96%
C000054742 | A  
Holdings [Line Items]  
Percent of Total Investments 11.31%
C000054742 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.58%
C000054742 | A+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000054742 | AA  
Holdings [Line Items]  
Percent of Total Investments 26.91%
C000054742 | AA-  
Holdings [Line Items]  
Percent of Total Investments 20.43%
C000054742 | AA+  
Holdings [Line Items]  
Percent of Total Investments 3.86%
C000054742 | AAA  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000054742 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000054742 | BB  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000054742 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.06%
C000054742 | BBB  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000054742 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.56%
C000054742 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000054742 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.09%
C000054742 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000188221 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 6.96%
C000188221 | A  
Holdings [Line Items]  
Percent of Total Investments 11.31%
C000188221 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.58%
C000188221 | A+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000188221 | AA  
Holdings [Line Items]  
Percent of Total Investments 26.91%
C000188221 | AA-  
Holdings [Line Items]  
Percent of Total Investments 20.43%
C000188221 | AA+  
Holdings [Line Items]  
Percent of Total Investments 3.86%
C000188221 | AAA  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000188221 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000188221 | BB  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000188221 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.06%
C000188221 | BBB  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000188221 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.56%
C000188221 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000188221 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.09%
C000188221 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000096845 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 6.96%
C000096845 | A  
Holdings [Line Items]  
Percent of Total Investments 11.31%
C000096845 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.58%
C000096845 | A+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000096845 | AA  
Holdings [Line Items]  
Percent of Total Investments 26.91%
C000096845 | AA-  
Holdings [Line Items]  
Percent of Total Investments 20.43%
C000096845 | AA+  
Holdings [Line Items]  
Percent of Total Investments 3.86%
C000096845 | AAA  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000096845 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000096845 | BB  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000096845 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.06%
C000096845 | BBB  
Holdings [Line Items]  
Percent of Total Investments 3.91%
C000096845 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.56%
C000096845 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.00%
C000096845 | CCC  
Holdings [Line Items]  
Percent of Total Investments 0.09%
C000096845 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.50%
C000096630 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 8.19%
C000096630 | A  
Holdings [Line Items]  
Percent of Total Investments 12.83%
C000096630 | A-  
Holdings [Line Items]  
Percent of Total Investments 4.25%
C000096630 | A+  
Holdings [Line Items]  
Percent of Total Investments 16.62%
C000096630 | AA  
Holdings [Line Items]  
Percent of Total Investments 11.69%
C000096630 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.42%
C000096630 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.67%
C000096630 | AAA  
Holdings [Line Items]  
Percent of Total Investments 6.92%
C000096630 | B  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000096630 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.31%
C000096630 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.52%
C000096630 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.77%
C000096630 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.28%
C000096630 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.24%
C000096630 | BBB  
Holdings [Line Items]  
Percent of Total Investments 5.82%
C000096630 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.93%
C000096630 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 5.09%
C000096630 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.18%
C000096632 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 8.19%
C000096632 | A  
Holdings [Line Items]  
Percent of Total Investments 12.83%
C000096632 | A-  
Holdings [Line Items]  
Percent of Total Investments 4.25%
C000096632 | A+  
Holdings [Line Items]  
Percent of Total Investments 16.62%
C000096632 | AA  
Holdings [Line Items]  
Percent of Total Investments 11.69%
C000096632 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.42%
C000096632 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.67%
C000096632 | AAA  
Holdings [Line Items]  
Percent of Total Investments 6.92%
C000096632 | B  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000096632 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.31%
C000096632 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.52%
C000096632 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.77%
C000096632 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.28%
C000096632 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.24%
C000096632 | BBB  
Holdings [Line Items]  
Percent of Total Investments 5.82%
C000096632 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.93%
C000096632 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 5.09%
C000096632 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.18%
C000096627 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 8.19%
C000096627 | A  
Holdings [Line Items]  
Percent of Total Investments 12.83%
C000096627 | A-  
Holdings [Line Items]  
Percent of Total Investments 4.25%
C000096627 | A+  
Holdings [Line Items]  
Percent of Total Investments 16.62%
C000096627 | AA  
Holdings [Line Items]  
Percent of Total Investments 11.69%
C000096627 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.42%
C000096627 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.67%
C000096627 | AAA  
Holdings [Line Items]  
Percent of Total Investments 6.92%
C000096627 | B  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000096627 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.31%
C000096627 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.52%
C000096627 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.77%
C000096627 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.28%
C000096627 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.24%
C000096627 | BBB  
Holdings [Line Items]  
Percent of Total Investments 5.82%
C000096627 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.93%
C000096627 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 5.09%
C000096627 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.18%
C000188227 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 8.19%
C000188227 | A  
Holdings [Line Items]  
Percent of Total Investments 12.83%
C000188227 | A-  
Holdings [Line Items]  
Percent of Total Investments 4.25%
C000188227 | A+  
Holdings [Line Items]  
Percent of Total Investments 16.62%
C000188227 | AA  
Holdings [Line Items]  
Percent of Total Investments 11.69%
C000188227 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.42%
C000188227 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.67%
C000188227 | AAA  
Holdings [Line Items]  
Percent of Total Investments 6.92%
C000188227 | B  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000188227 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.31%
C000188227 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.52%
C000188227 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.77%
C000188227 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.28%
C000188227 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.24%
C000188227 | BBB  
Holdings [Line Items]  
Percent of Total Investments 5.82%
C000188227 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.93%
C000188227 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 5.09%
C000188227 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.18%
C000096628 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 8.19%
C000096628 | A  
Holdings [Line Items]  
Percent of Total Investments 12.83%
C000096628 | A-  
Holdings [Line Items]  
Percent of Total Investments 4.25%
C000096628 | A+  
Holdings [Line Items]  
Percent of Total Investments 16.62%
C000096628 | AA  
Holdings [Line Items]  
Percent of Total Investments 11.69%
C000096628 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.42%
C000096628 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.67%
C000096628 | AAA  
Holdings [Line Items]  
Percent of Total Investments 6.92%
C000096628 | B  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000096628 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.31%
C000096628 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.52%
C000096628 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.77%
C000096628 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.28%
C000096628 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.24%
C000096628 | BBB  
Holdings [Line Items]  
Percent of Total Investments 5.82%
C000096628 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 4.93%
C000096628 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 5.09%
C000096628 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.18%
C000020589 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.88%
C000020589 | A  
Holdings [Line Items]  
Percent of Total Investments 12.57%
C000020589 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.04%
C000020589 | A+  
Holdings [Line Items]  
Percent of Total Investments 12.27%
C000020589 | AA  
Holdings [Line Items]  
Percent of Total Investments 14.98%
C000020589 | AA-  
Holdings [Line Items]  
Percent of Total Investments 6.84%
C000020589 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.40%
C000020589 | AAA  
Holdings [Line Items]  
Percent of Total Investments 4.22%
C000020589 | B  
Holdings [Line Items]  
Percent of Total Investments 0.07%
C000020589 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.62%
C000020589 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000020589 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.14%
C000020589 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000020589 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.92%
C000020589 | BBB  
Holdings [Line Items]  
Percent of Total Investments 6.41%
C000020589 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 10.56%
C000020589 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000020589 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000020591 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.88%
C000020591 | A  
Holdings [Line Items]  
Percent of Total Investments 12.57%
C000020591 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.04%
C000020591 | A+  
Holdings [Line Items]  
Percent of Total Investments 12.27%
C000020591 | AA  
Holdings [Line Items]  
Percent of Total Investments 14.98%
C000020591 | AA-  
Holdings [Line Items]  
Percent of Total Investments 6.84%
C000020591 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.40%
C000020591 | AAA  
Holdings [Line Items]  
Percent of Total Investments 4.22%
C000020591 | B  
Holdings [Line Items]  
Percent of Total Investments 0.07%
C000020591 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.62%
C000020591 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000020591 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.14%
C000020591 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000020591 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.92%
C000020591 | BBB  
Holdings [Line Items]  
Percent of Total Investments 6.41%
C000020591 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 10.56%
C000020591 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000020591 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000054746 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.88%
C000054746 | A  
Holdings [Line Items]  
Percent of Total Investments 12.57%
C000054746 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.04%
C000054746 | A+  
Holdings [Line Items]  
Percent of Total Investments 12.27%
C000054746 | AA  
Holdings [Line Items]  
Percent of Total Investments 14.98%
C000054746 | AA-  
Holdings [Line Items]  
Percent of Total Investments 6.84%
C000054746 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.40%
C000054746 | AAA  
Holdings [Line Items]  
Percent of Total Investments 4.22%
C000054746 | B  
Holdings [Line Items]  
Percent of Total Investments 0.07%
C000054746 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.62%
C000054746 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000054746 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.14%
C000054746 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000054746 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.92%
C000054746 | BBB  
Holdings [Line Items]  
Percent of Total Investments 6.41%
C000054746 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 10.56%
C000054746 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000054746 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000188222 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.88%
C000188222 | A  
Holdings [Line Items]  
Percent of Total Investments 12.57%
C000188222 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.04%
C000188222 | A+  
Holdings [Line Items]  
Percent of Total Investments 12.27%
C000188222 | AA  
Holdings [Line Items]  
Percent of Total Investments 14.98%
C000188222 | AA-  
Holdings [Line Items]  
Percent of Total Investments 6.84%
C000188222 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.40%
C000188222 | AAA  
Holdings [Line Items]  
Percent of Total Investments 4.22%
C000188222 | B  
Holdings [Line Items]  
Percent of Total Investments 0.07%
C000188222 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.62%
C000188222 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000188222 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.14%
C000188222 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000188222 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.92%
C000188222 | BBB  
Holdings [Line Items]  
Percent of Total Investments 6.41%
C000188222 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 10.56%
C000188222 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000188222 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000050290 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.88%
C000050290 | A  
Holdings [Line Items]  
Percent of Total Investments 12.57%
C000050290 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.04%
C000050290 | A+  
Holdings [Line Items]  
Percent of Total Investments 12.27%
C000050290 | AA  
Holdings [Line Items]  
Percent of Total Investments 14.98%
C000050290 | AA-  
Holdings [Line Items]  
Percent of Total Investments 6.84%
C000050290 | AA+  
Holdings [Line Items]  
Percent of Total Investments 8.40%
C000050290 | AAA  
Holdings [Line Items]  
Percent of Total Investments 4.22%
C000050290 | B  
Holdings [Line Items]  
Percent of Total Investments 0.07%
C000050290 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.62%
C000050290 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.27%
C000050290 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.14%
C000050290 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000050290 | BB+  
Holdings [Line Items]  
Percent of Total Investments 3.92%
C000050290 | BBB  
Holdings [Line Items]  
Percent of Total Investments 6.41%
C000050290 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 10.56%
C000050290 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 6.16%
C000050290 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000020593 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 4.77%
C000020593 | A  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000020593 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.57%
C000020593 | A+  
Holdings [Line Items]  
Percent of Total Investments 24.97%
C000020593 | AA  
Holdings [Line Items]  
Percent of Total Investments 13.89%
C000020593 | AA-  
Holdings [Line Items]  
Percent of Total Investments 26.95%
C000020593 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.85%
C000020593 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.62%
C000020593 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000020593 | BB+  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000020593 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000020593 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000020593 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.64%
C000054747 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 4.77%
C000054747 | A  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000054747 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.57%
C000054747 | A+  
Holdings [Line Items]  
Percent of Total Investments 24.97%
C000054747 | AA  
Holdings [Line Items]  
Percent of Total Investments 13.89%
C000054747 | AA-  
Holdings [Line Items]  
Percent of Total Investments 26.95%
C000054747 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.85%
C000054747 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.62%
C000054747 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000054747 | BB+  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000054747 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000054747 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000054747 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.64%
C000188223 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 4.77%
C000188223 | A  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000188223 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.57%
C000188223 | A+  
Holdings [Line Items]  
Percent of Total Investments 24.97%
C000188223 | AA  
Holdings [Line Items]  
Percent of Total Investments 13.89%
C000188223 | AA-  
Holdings [Line Items]  
Percent of Total Investments 26.95%
C000188223 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.85%
C000188223 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.62%
C000188223 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000188223 | BB+  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000188223 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000188223 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000188223 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.64%
C000096846 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 4.77%
C000096846 | A  
Holdings [Line Items]  
Percent of Total Investments 7.30%
C000096846 | A-  
Holdings [Line Items]  
Percent of Total Investments 3.57%
C000096846 | A+  
Holdings [Line Items]  
Percent of Total Investments 24.97%
C000096846 | AA  
Holdings [Line Items]  
Percent of Total Investments 13.89%
C000096846 | AA-  
Holdings [Line Items]  
Percent of Total Investments 26.95%
C000096846 | AA+  
Holdings [Line Items]  
Percent of Total Investments 0.85%
C000096846 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.62%
C000096846 | B+  
Holdings [Line Items]  
Percent of Total Investments 0.14%
C000096846 | BB+  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000096846 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.50%
C000096846 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.40%
C000096846 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.64%
C000096633 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 10.93%
C000096633 | A  
Holdings [Line Items]  
Percent of Total Investments 17.58%
C000096633 | A-  
Holdings [Line Items]  
Percent of Total Investments 8.45%
C000096633 | A+  
Holdings [Line Items]  
Percent of Total Investments 15.77%
C000096633 | AA  
Holdings [Line Items]  
Percent of Total Investments 9.79%
C000096633 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.16%
C000096633 | AA+  
Holdings [Line Items]  
Percent of Total Investments 12.44%
C000096633 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.83%
C000096633 | B  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000096633 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.01%
C000096633 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.36%
C000096633 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.18%
C000096633 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.48%
C000096633 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.39%
C000096633 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.57%
C000096635 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 10.93%
C000096635 | A  
Holdings [Line Items]  
Percent of Total Investments 17.58%
C000096635 | A-  
Holdings [Line Items]  
Percent of Total Investments 8.45%
C000096635 | A+  
Holdings [Line Items]  
Percent of Total Investments 15.77%
C000096635 | AA  
Holdings [Line Items]  
Percent of Total Investments 9.79%
C000096635 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.16%
C000096635 | AA+  
Holdings [Line Items]  
Percent of Total Investments 12.44%
C000096635 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.83%
C000096635 | B  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000096635 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.01%
C000096635 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.36%
C000096635 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.18%
C000096635 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.48%
C000096635 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.39%
C000096635 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.57%
C000096636 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 10.93%
C000096636 | A  
Holdings [Line Items]  
Percent of Total Investments 17.58%
C000096636 | A-  
Holdings [Line Items]  
Percent of Total Investments 8.45%
C000096636 | A+  
Holdings [Line Items]  
Percent of Total Investments 15.77%
C000096636 | AA  
Holdings [Line Items]  
Percent of Total Investments 9.79%
C000096636 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.16%
C000096636 | AA+  
Holdings [Line Items]  
Percent of Total Investments 12.44%
C000096636 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.83%
C000096636 | B  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000096636 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.01%
C000096636 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.36%
C000096636 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.18%
C000096636 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.48%
C000096636 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.39%
C000096636 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.57%
C000188228 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 10.93%
C000188228 | A  
Holdings [Line Items]  
Percent of Total Investments 17.58%
C000188228 | A-  
Holdings [Line Items]  
Percent of Total Investments 8.45%
C000188228 | A+  
Holdings [Line Items]  
Percent of Total Investments 15.77%
C000188228 | AA  
Holdings [Line Items]  
Percent of Total Investments 9.79%
C000188228 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.16%
C000188228 | AA+  
Holdings [Line Items]  
Percent of Total Investments 12.44%
C000188228 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.83%
C000188228 | B  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000188228 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.01%
C000188228 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.36%
C000188228 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.18%
C000188228 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.48%
C000188228 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.39%
C000188228 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.57%
C000096637 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 10.93%
C000096637 | A  
Holdings [Line Items]  
Percent of Total Investments 17.58%
C000096637 | A-  
Holdings [Line Items]  
Percent of Total Investments 8.45%
C000096637 | A+  
Holdings [Line Items]  
Percent of Total Investments 15.77%
C000096637 | AA  
Holdings [Line Items]  
Percent of Total Investments 9.79%
C000096637 | AA-  
Holdings [Line Items]  
Percent of Total Investments 8.16%
C000096637 | AA+  
Holdings [Line Items]  
Percent of Total Investments 12.44%
C000096637 | AAA  
Holdings [Line Items]  
Percent of Total Investments 5.83%
C000096637 | B  
Holdings [Line Items]  
Percent of Total Investments 0.06%
C000096637 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.01%
C000096637 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.36%
C000096637 | BBB  
Holdings [Line Items]  
Percent of Total Investments 2.18%
C000096637 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 3.48%
C000096637 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 3.39%
C000096637 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.57%
C000020595 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.45%
C000020595 | A  
Holdings [Line Items]  
Percent of Total Investments 9.18%
C000020595 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000020595 | A+  
Holdings [Line Items]  
Percent of Total Investments 4.83%
C000020595 | AA  
Holdings [Line Items]  
Percent of Total Investments 12.51%
C000020595 | AA-  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000020595 | AA+  
Holdings [Line Items]  
Percent of Total Investments 14.55%
C000020595 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.76%
C000020595 | B  
Holdings [Line Items]  
Percent of Total Investments 0.89%
C000020595 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000020595 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000020595 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.54%
C000020595 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.65%
C000020595 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.54%
C000020595 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.69%
C000020595 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 13.04%
C000020595 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.21%
C000020595 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000020596 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.45%
C000020596 | A  
Holdings [Line Items]  
Percent of Total Investments 9.18%
C000020596 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000020596 | A+  
Holdings [Line Items]  
Percent of Total Investments 4.83%
C000020596 | AA  
Holdings [Line Items]  
Percent of Total Investments 12.51%
C000020596 | AA-  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000020596 | AA+  
Holdings [Line Items]  
Percent of Total Investments 14.55%
C000020596 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.76%
C000020596 | B  
Holdings [Line Items]  
Percent of Total Investments 0.89%
C000020596 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000020596 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000020596 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.54%
C000020596 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.65%
C000020596 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.54%
C000020596 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.69%
C000020596 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 13.04%
C000020596 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.21%
C000020596 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000054748 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.45%
C000054748 | A  
Holdings [Line Items]  
Percent of Total Investments 9.18%
C000054748 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000054748 | A+  
Holdings [Line Items]  
Percent of Total Investments 4.83%
C000054748 | AA  
Holdings [Line Items]  
Percent of Total Investments 12.51%
C000054748 | AA-  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000054748 | AA+  
Holdings [Line Items]  
Percent of Total Investments 14.55%
C000054748 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.76%
C000054748 | B  
Holdings [Line Items]  
Percent of Total Investments 0.89%
C000054748 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000054748 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000054748 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.54%
C000054748 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.65%
C000054748 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.54%
C000054748 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.69%
C000054748 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 13.04%
C000054748 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.21%
C000054748 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000188224 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.45%
C000188224 | A  
Holdings [Line Items]  
Percent of Total Investments 9.18%
C000188224 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000188224 | A+  
Holdings [Line Items]  
Percent of Total Investments 4.83%
C000188224 | AA  
Holdings [Line Items]  
Percent of Total Investments 12.51%
C000188224 | AA-  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000188224 | AA+  
Holdings [Line Items]  
Percent of Total Investments 14.55%
C000188224 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.76%
C000188224 | B  
Holdings [Line Items]  
Percent of Total Investments 0.89%
C000188224 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000188224 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000188224 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.54%
C000188224 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.65%
C000188224 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.54%
C000188224 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.69%
C000188224 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 13.04%
C000188224 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.21%
C000188224 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000096847 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 7.45%
C000096847 | A  
Holdings [Line Items]  
Percent of Total Investments 9.18%
C000096847 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.40%
C000096847 | A+  
Holdings [Line Items]  
Percent of Total Investments 4.83%
C000096847 | AA  
Holdings [Line Items]  
Percent of Total Investments 12.51%
C000096847 | AA-  
Holdings [Line Items]  
Percent of Total Investments 3.90%
C000096847 | AA+  
Holdings [Line Items]  
Percent of Total Investments 14.55%
C000096847 | AAA  
Holdings [Line Items]  
Percent of Total Investments 9.76%
C000096847 | B  
Holdings [Line Items]  
Percent of Total Investments 0.89%
C000096847 | B-  
Holdings [Line Items]  
Percent of Total Investments 0.51%
C000096847 | B+  
Holdings [Line Items]  
Percent of Total Investments 1.10%
C000096847 | BB  
Holdings [Line Items]  
Percent of Total Investments 1.54%
C000096847 | BB-  
Holdings [Line Items]  
Percent of Total Investments 0.65%
C000096847 | BB+  
Holdings [Line Items]  
Percent of Total Investments 0.54%
C000096847 | BBB  
Holdings [Line Items]  
Percent of Total Investments 9.69%
C000096847 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 13.04%
C000096847 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.21%
C000096847 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.25%
C000155633 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 28.73%
C000155633 | A  
Holdings [Line Items]  
Percent of Total Investments 5.45%
C000155633 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000155633 | A+  
Holdings [Line Items]  
Percent of Total Investments 3.65%
C000155633 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.71%
C000155633 | AA-  
Holdings [Line Items]  
Percent of Total Investments 2.72%
C000155633 | AA+  
Holdings [Line Items]  
Percent of Total Investments 1.92%
C000155633 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000155633 | B  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000155633 | B-  
Holdings [Line Items]  
Percent of Total Investments 1.34%
C000155633 | B+  
Holdings [Line Items]  
Percent of Total Investments 3.73%
C000155633 | BB  
Holdings [Line Items]  
Percent of Total Investments 3.82%
C000155633 | BB-  
Holdings [Line Items]  
Percent of Total Investments 2.65%
C000155633 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.19%
C000155633 | BBB  
Holdings [Line Items]  
Percent of Total Investments 8.98%
C000155633 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 6.03%
C000155633 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.69%
C000155633 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.45%
C000155633 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.63%
C000155634 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 28.73%
C000155634 | A  
Holdings [Line Items]  
Percent of Total Investments 5.45%
C000155634 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000155634 | A+  
Holdings [Line Items]  
Percent of Total Investments 3.65%
C000155634 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.71%
C000155634 | AA-  
Holdings [Line Items]  
Percent of Total Investments 2.72%
C000155634 | AA+  
Holdings [Line Items]  
Percent of Total Investments 1.92%
C000155634 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000155634 | B  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000155634 | B-  
Holdings [Line Items]  
Percent of Total Investments 1.34%
C000155634 | B+  
Holdings [Line Items]  
Percent of Total Investments 3.73%
C000155634 | BB  
Holdings [Line Items]  
Percent of Total Investments 3.82%
C000155634 | BB-  
Holdings [Line Items]  
Percent of Total Investments 2.65%
C000155634 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.19%
C000155634 | BBB  
Holdings [Line Items]  
Percent of Total Investments 8.98%
C000155634 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 6.03%
C000155634 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.69%
C000155634 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.45%
C000155634 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.63%
C000155635 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 28.73%
C000155635 | A  
Holdings [Line Items]  
Percent of Total Investments 5.45%
C000155635 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000155635 | A+  
Holdings [Line Items]  
Percent of Total Investments 3.65%
C000155635 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.71%
C000155635 | AA-  
Holdings [Line Items]  
Percent of Total Investments 2.72%
C000155635 | AA+  
Holdings [Line Items]  
Percent of Total Investments 1.92%
C000155635 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000155635 | B  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000155635 | B-  
Holdings [Line Items]  
Percent of Total Investments 1.34%
C000155635 | B+  
Holdings [Line Items]  
Percent of Total Investments 3.73%
C000155635 | BB  
Holdings [Line Items]  
Percent of Total Investments 3.82%
C000155635 | BB-  
Holdings [Line Items]  
Percent of Total Investments 2.65%
C000155635 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.19%
C000155635 | BBB  
Holdings [Line Items]  
Percent of Total Investments 8.98%
C000155635 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 6.03%
C000155635 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.69%
C000155635 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.45%
C000155635 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.63%
C000188229 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 28.73%
C000188229 | A  
Holdings [Line Items]  
Percent of Total Investments 5.45%
C000188229 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000188229 | A+  
Holdings [Line Items]  
Percent of Total Investments 3.65%
C000188229 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.71%
C000188229 | AA-  
Holdings [Line Items]  
Percent of Total Investments 2.72%
C000188229 | AA+  
Holdings [Line Items]  
Percent of Total Investments 1.92%
C000188229 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000188229 | B  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000188229 | B-  
Holdings [Line Items]  
Percent of Total Investments 1.34%
C000188229 | B+  
Holdings [Line Items]  
Percent of Total Investments 3.73%
C000188229 | BB  
Holdings [Line Items]  
Percent of Total Investments 3.82%
C000188229 | BB-  
Holdings [Line Items]  
Percent of Total Investments 2.65%
C000188229 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.19%
C000188229 | BBB  
Holdings [Line Items]  
Percent of Total Investments 8.98%
C000188229 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 6.03%
C000188229 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.69%
C000188229 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.45%
C000188229 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.63%
C000155636 | Other Line  
Holdings [Line Items]  
Percent of Total Investments 28.73%
C000155636 | A  
Holdings [Line Items]  
Percent of Total Investments 5.45%
C000155636 | A-  
Holdings [Line Items]  
Percent of Total Investments 2.70%
C000155636 | A+  
Holdings [Line Items]  
Percent of Total Investments 3.65%
C000155636 | AA  
Holdings [Line Items]  
Percent of Total Investments 3.71%
C000155636 | AA-  
Holdings [Line Items]  
Percent of Total Investments 2.72%
C000155636 | AA+  
Holdings [Line Items]  
Percent of Total Investments 1.92%
C000155636 | AAA  
Holdings [Line Items]  
Percent of Total Investments 0.91%
C000155636 | B  
Holdings [Line Items]  
Percent of Total Investments 1.70%
C000155636 | B-  
Holdings [Line Items]  
Percent of Total Investments 1.34%
C000155636 | B+  
Holdings [Line Items]  
Percent of Total Investments 3.73%
C000155636 | BB  
Holdings [Line Items]  
Percent of Total Investments 3.82%
C000155636 | BB-  
Holdings [Line Items]  
Percent of Total Investments 2.65%
C000155636 | BB+  
Holdings [Line Items]  
Percent of Total Investments 13.19%
C000155636 | BBB  
Holdings [Line Items]  
Percent of Total Investments 8.98%
C000155636 | BBB-  
Holdings [Line Items]  
Percent of Total Investments 6.03%
C000155636 | BBB+  
Holdings [Line Items]  
Percent of Total Investments 7.69%
C000155636 | CC  
Holdings [Line Items]  
Percent of Total Investments 0.45%
C000155636 | CCC+  
Holdings [Line Items]  
Percent of Total Investments 0.63%