Accumulated Other Comprehensive Loss ("AOCL") - Summary of Accumulated Other Comprehensive Loss (Detail) $ in Thousands	3 Months Ended
	Jul. 28, 2018 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 1,461,790
Ending Balance	1,443,149
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(13,118)
Other comprehensive loss before reclassifications	0
Amounts reclassified from AOCL	549
Ending Balance	(12,569)
Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(61,856)
Other comprehensive loss before reclassifications	(9,320)
Amounts reclassified from AOCL	0
Ending Balance	(71,176)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(74,974)
Other comprehensive loss before reclassifications	(9,320)
Amounts reclassified from AOCL	549
Ending Balance	$ (83,745)