v3.26.3
Shareholder Report, Holdings (Details)
Jul. 31, 2026
C000129315 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000129315 | 1-7 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000129315 | 8-14 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000129315 | 15-30 days  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000129315 | 31-60 days  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000129315 | 61-90 days  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000129315 | 91-120 days  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000129315 | 121-150 days  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000129315 | >150 days  
Holdings [Line Items]  
Percent of Net Asset Value 62.40%
C000129315 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 44.20%
C000129315 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000129315 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000129315 | Foreign Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000129315 | Municipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000129315 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 44.10%
C000198747 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000198747 | 1-7 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000198747 | 8-14 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000198747 | 15-30 days  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000198747 | 31-60 days  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000198747 | 61-90 days  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000198747 | 91-120 days  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000198747 | 121-150 days  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000198747 | >150 days  
Holdings [Line Items]  
Percent of Net Asset Value 62.40%
C000198747 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 44.20%
C000198747 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000198747 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000198747 | Foreign Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000198747 | Municipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000198747 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 44.10%
C000119004 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000119004 | 1-7 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.60%
C000119004 | 8-14 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.90%
C000119004 | 15-30 days  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000119004 | 31-60 days  
Holdings [Line Items]  
Percent of Net Asset Value 7.70%
C000119004 | 61-90 days  
Holdings [Line Items]  
Percent of Net Asset Value 4.20%
C000119004 | 91-120 days  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000119004 | 121-150 days  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000119004 | >150 days  
Holdings [Line Items]  
Percent of Net Asset Value 62.40%
C000119004 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 44.20%
C000119004 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000119004 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000119004 | Foreign Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.60%
C000119004 | Municipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.50%
C000119004 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 44.10%