Accumulated Other Comprehensive Loss ("AOCL") - Summary of Accumulated Other Comprehensive Loss (Detail) $ in Thousands	6 Months Ended
	Oct. 24, 2020 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 834,117
Ending Balance	890,839
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(5,538)
Other comprehensive loss before reclassifications	0
Amounts reclassified from AOCL	521
Ending Balance	(5,017)
Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(91,501)
Other comprehensive loss before reclassifications	15,916
Amounts reclassified from AOCL	0
Ending Balance	(75,585)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(97,039)
Other comprehensive loss before reclassifications	15,916
Amounts reclassified from AOCL	521
Ending Balance	$ (80,602)