v3.25.2
Shareholder Report, Holdings (Details)
Jul. 31, 2025
C000129315 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000129315 | 1-7 days  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000129315 | 8-14 days  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000129315 | 15-30 days  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000129315 | 31-60 days  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000129315 | 61-90 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000129315 | 91-120 days  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000129315 | 121-150 days  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000129315 | >150 days  
Holdings [Line Items]  
Percent of Net Asset Value 59.00%
C000129315 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 42.00%
C000129315 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000129315 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000129315 | Foreign Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000129315 | Municipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000129315 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 52.50%
C000198747 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000198747 | 1-7 days  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000198747 | 8-14 days  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000198747 | 15-30 days  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000198747 | 31-60 days  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000198747 | 61-90 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000198747 | 91-120 days  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000198747 | 121-150 days  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000198747 | >150 days  
Holdings [Line Items]  
Percent of Net Asset Value 59.00%
C000198747 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 42.00%
C000198747 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000198747 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000198747 | Foreign Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000198747 | Municipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000198747 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 52.50%
C000119004 | Liabilities in Excess of Other Assets  
Holdings [Line Items]  
Percent of Net Asset Value (0.30%)
C000119004 | 1-7 days  
Holdings [Line Items]  
Percent of Net Asset Value 6.00%
C000119004 | 8-14 days  
Holdings [Line Items]  
Percent of Net Asset Value 3.60%
C000119004 | 15-30 days  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000119004 | 31-60 days  
Holdings [Line Items]  
Percent of Net Asset Value 10.20%
C000119004 | 61-90 days  
Holdings [Line Items]  
Percent of Net Asset Value 5.40%
C000119004 | 91-120 days  
Holdings [Line Items]  
Percent of Net Asset Value 12.00%
C000119004 | 121-150 days  
Holdings [Line Items]  
Percent of Net Asset Value 2.40%
C000119004 | >150 days  
Holdings [Line Items]  
Percent of Net Asset Value 59.00%
C000119004 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 42.00%
C000119004 | U.S. Treasury Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 3.00%
C000119004 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000119004 | Foreign Agency Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 0.70%
C000119004 | Municipal Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 0.40%
C000119004 | Short-Term Securities  
Holdings [Line Items]  
Percent of Net Asset Value 52.50%