Shareholder Report, Holdings (Details)	May 31, 2026
C000103068 \| Top10HoldingHopper Merger SubBNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000103068 \| Top10HoldingTransDigmBNY-BL4667194
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000103068 \| Top10HoldingApplied SystemsBNY-BL5473683
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000103068 \| Top10HoldingAlera GroupBNY-BL5098548
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000103068 \| Top10HoldingEllucian HoldingsBNY-BL4807477
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000103068 \| Top10HoldingNeptune Bidco U.S.BNY-BL5485539
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000103068 \| Top10HoldingCRC Insurance GroupBNY-BL4597110
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103068 \| Top10HoldingAsurionBNY-BL3674951
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103068 \| Top10HoldingEngineered Machinery HoldingsBNY-BL5317096
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103068 \| Top10HoldingUKGBNY-BL5173671
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103068 \| Other0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	4.00%
C000103068 \| 0BNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	87.20%
C000103068 \| 0BNY-76954LAD1
Holdings [Line Items]
Percent of Net Asset Value	8.40%
C000103068 \| 0BNY-TC3I9NQ04
Holdings [Line Items]
Percent of Net Asset Value	0.20%
C000103068 \| 0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	0.20%
C000103069 \| Top10HoldingHopper Merger SubBNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000103069 \| Top10HoldingTransDigmBNY-BL4667194
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000103069 \| Top10HoldingApplied SystemsBNY-BL5473683
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000103069 \| Top10HoldingAlera GroupBNY-BL5098548
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000103069 \| Top10HoldingEllucian HoldingsBNY-BL4807477
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000103069 \| Top10HoldingNeptune Bidco U.S.BNY-BL5485539
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000103069 \| Top10HoldingCRC Insurance GroupBNY-BL4597110
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103069 \| Top10HoldingAsurionBNY-BL3674951
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103069 \| Top10HoldingEngineered Machinery HoldingsBNY-BL5317096
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103069 \| Top10HoldingUKGBNY-BL5173671
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000103069 \| Other0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	4.00%
C000103069 \| 0BNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	87.20%
C000103069 \| 0BNY-76954LAD1
Holdings [Line Items]
Percent of Net Asset Value	8.40%
C000103069 \| 0BNY-TC3I9NQ04
Holdings [Line Items]
Percent of Net Asset Value	0.20%
C000103069 \| 0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	0.20%
C000177200 \| Top10HoldingHopper Merger SubBNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000177200 \| Top10HoldingTransDigmBNY-BL4667194
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000177200 \| Top10HoldingApplied SystemsBNY-BL5473683
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000177200 \| Top10HoldingAlera GroupBNY-BL5098548
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000177200 \| Top10HoldingEllucian HoldingsBNY-BL4807477
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000177200 \| Top10HoldingNeptune Bidco U.S.BNY-BL5485539
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000177200 \| Top10HoldingCRC Insurance GroupBNY-BL4597110
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000177200 \| Top10HoldingAsurionBNY-BL3674951
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000177200 \| Top10HoldingEngineered Machinery HoldingsBNY-BL5317096
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000177200 \| Top10HoldingUKGBNY-BL5173671
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000177200 \| Other0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	4.00%
C000177200 \| 0BNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	87.20%
C000177200 \| 0BNY-76954LAD1
Holdings [Line Items]
Percent of Net Asset Value	8.40%
C000177200 \| 0BNY-TC3I9NQ04
Holdings [Line Items]
Percent of Net Asset Value	0.20%
C000177200 \| 0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	0.20%
C000219333 \| Top10HoldingHopper Merger SubBNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	2.50%
C000219333 \| Top10HoldingTransDigmBNY-BL4667194
Holdings [Line Items]
Percent of Net Asset Value	1.90%
C000219333 \| Top10HoldingApplied SystemsBNY-BL5473683
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000219333 \| Top10HoldingAlera GroupBNY-BL5098548
Holdings [Line Items]
Percent of Net Asset Value	1.70%
C000219333 \| Top10HoldingEllucian HoldingsBNY-BL4807477
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000219333 \| Top10HoldingNeptune Bidco U.S.BNY-BL5485539
Holdings [Line Items]
Percent of Net Asset Value	1.60%
C000219333 \| Top10HoldingCRC Insurance GroupBNY-BL4597110
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000219333 \| Top10HoldingAsurionBNY-BL3674951
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000219333 \| Top10HoldingEngineered Machinery HoldingsBNY-BL5317096
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000219333 \| Top10HoldingUKGBNY-BL5173671
Holdings [Line Items]
Percent of Net Asset Value	1.40%
C000219333 \| Other0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	4.00%
C000219333 \| 0BNY-BL5276821
Holdings [Line Items]
Percent of Net Asset Value	87.20%
C000219333 \| 0BNY-76954LAD1
Holdings [Line Items]
Percent of Net Asset Value	8.40%
C000219333 \| 0BNY-TC3I9NQ04
Holdings [Line Items]
Percent of Net Asset Value	0.20%
C000219333 \| 0BNY-TC686MGV1
Holdings [Line Items]
Percent of Net Asset Value	0.20%

Shareholder Report, Holdings (Details)

May 31, 2026