v3.25.1
Shareholder Report, Holdings (Details)
Feb. 28, 2025
C000143970 | Consumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000143970 | Packaging  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000143970 | Building Materials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000143970 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000143970 | Midstream  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000143970 | Gaming  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000143970 | Automotive  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000143970 | Cable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000143970 | Insurance - P&C  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000143970 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000143971 | Consumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000143971 | Packaging  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000143971 | Building Materials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000143971 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000143971 | Midstream  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000143971 | Gaming  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000143971 | Automotive  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000143971 | Cable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000143971 | Insurance - P&C  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000143971 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000130168 | Consumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000130168 | Packaging  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000130168 | Building Materials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000130168 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000130168 | Midstream  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000130168 | Gaming  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000130168 | Automotive  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000130168 | Cable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000130168 | Insurance - P&C  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000130168 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000190443 | Consumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000190443 | Packaging  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000190443 | Building Materials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000190443 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000190443 | Midstream  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000190443 | Gaming  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000190443 | Automotive  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000190443 | Cable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000190443 | Insurance - P&C  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000190443 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%
C000024613 | Consumer Cyclical Services  
Holdings [Line Items]  
Percent of Net Asset Value 4.00%
C000024613 | Packaging  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000024613 | Building Materials  
Holdings [Line Items]  
Percent of Net Asset Value 4.10%
C000024613 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000024613 | Midstream  
Holdings [Line Items]  
Percent of Net Asset Value 4.70%
C000024613 | Gaming  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000024613 | Automotive  
Holdings [Line Items]  
Percent of Net Asset Value 5.80%
C000024613 | Cable Satellite  
Holdings [Line Items]  
Percent of Net Asset Value 6.70%
C000024613 | Insurance - P&C  
Holdings [Line Items]  
Percent of Net Asset Value 8.40%
C000024613 | Technology  
Holdings [Line Items]  
Percent of Net Asset Value 11.50%