General - Schedule of Other Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 27, 2019	Jul. 28, 2018
Accounting Policies [Abstract]
Gain on investment	$ 34,334	$ 0
Loss on interest rate swap agreements	(3,785)	0
Other	1,368	1,253
Other income, net	$ 31,917	$ 1,253