v3.25.4
Shareholder Report, Holdings (Details)
Nov. 30, 2025
C000103068 | Applied Systems  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000103068 | Alera Group  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000103068 | Cloud Software Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000103068 | Asurion  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000103068 | CRC Insurance Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000103068 | Ellucian Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000103068 | HUB International  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000103068 | TransDigm  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000103068 | Epicor Software  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000103068 | X  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000103068 | Bank Loans  
Holdings [Line Items]  
Percent of Net Asset Value 86.40%
C000103068 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000103068 | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000103068 | Convertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000103068 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000103068 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000103069 | Applied Systems  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000103069 | Alera Group  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000103069 | Cloud Software Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000103069 | Asurion  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000103069 | CRC Insurance Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000103069 | Ellucian Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000103069 | HUB International  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000103069 | TransDigm  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000103069 | Epicor Software  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000103069 | X  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000103069 | Bank Loans  
Holdings [Line Items]  
Percent of Net Asset Value 86.40%
C000103069 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000103069 | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000103069 | Convertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000103069 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000103069 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000177200 | Applied Systems  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000177200 | Alera Group  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000177200 | Cloud Software Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000177200 | Asurion  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000177200 | CRC Insurance Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000177200 | Ellucian Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000177200 | HUB International  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000177200 | TransDigm  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000177200 | Epicor Software  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000177200 | X  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000177200 | Bank Loans  
Holdings [Line Items]  
Percent of Net Asset Value 86.40%
C000177200 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000177200 | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000177200 | Convertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000177200 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000177200 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%
C000219333 | Applied Systems  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000219333 | Alera Group  
Holdings [Line Items]  
Percent of Net Asset Value 2.10%
C000219333 | Cloud Software Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000219333 | Asurion  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000219333 | CRC Insurance Group  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000219333 | Ellucian Holdings  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000219333 | HUB International  
Holdings [Line Items]  
Percent of Net Asset Value 1.60%
C000219333 | TransDigm  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000219333 | Epicor Software  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000219333 | X  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000219333 | Bank Loans  
Holdings [Line Items]  
Percent of Net Asset Value 86.40%
C000219333 | Corporate Bonds  
Holdings [Line Items]  
Percent of Net Asset Value 8.20%
C000219333 | Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.20%
C000219333 | Convertible Preferred Stocks  
Holdings [Line Items]  
Percent of Net Asset Value 0.10%
C000219333 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 0.00%
C000219333 | Other Holdings Grouping  
Holdings [Line Items]  
Percent of Net Asset Value 5.10%