Accumulated Other Comprehensive Loss ("AOCL") - Summary of Accumulated Other Comprehensive Loss (Detail) $ in Thousands	9 Months Ended
	Jan. 25, 2020 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 1,477,259
Ending Balance	1,469,430
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(10,830)
Other comprehensive loss before reclassifications	0
Amounts reclassified from AOCL	5,028
Ending Balance	(5,802)
Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(77,439)
Other comprehensive loss before reclassifications	5,434
Amounts reclassified from AOCL	0
Ending Balance	(72,005)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(88,269)
Other comprehensive loss before reclassifications	5,434
Amounts reclassified from AOCL	5,028
Ending Balance	$ (77,807)