Accumulated Other Comprehensive Loss ("AOCL") - Summary of Accumulated Other Comprehensive Income (Loss) (Details) $ in Thousands	12 Months Ended
	Apr. 28, 2018 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 1,394,433
Ending Balance	1,461,790
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(14,989)
Other comprehensive loss before reclassifications	0
Amounts reclassified from AOCL	1,871
Ending Balance	(13,118)
Currency Translation Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(77,680)
Other comprehensive loss before reclassifications	15,824
Amounts reclassified from AOCL	0
Ending Balance	(61,856)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	(92,669)
Other comprehensive loss before reclassifications	15,824
Amounts reclassified from AOCL	1,871
Ending Balance	$ (74,974)