Accumulated Other Comprehensive Loss ("AOCL") - Summary of Accumulated Other Comprehensive Income (Loss) (Details) $ in Thousands	12 Months Ended
	Apr. 29, 2017 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 1,441,746
Ending Balance	1,394,433
Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(16,734)
Other comprehensive loss before reclassifications	0
Amounts reclassified from AOCL	1,745
Ending Balance	(14,989)
Currency Translation Adjustment [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(51,230)
Other comprehensive loss before reclassifications	(26,450)
Amounts reclassified from AOCL	0
Ending Balance	(77,680)
Total [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(67,964)
Other comprehensive loss before reclassifications	(26,450)
Amounts reclassified from AOCL	1,745
Ending Balance	$ (92,669)