CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Oct. 26, 2019	Oct. 27, 2018
Statement of Cash Flows [Abstract]
Net income (loss)	$ (3,542)	$ 24,137
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	22,695	22,145
Amortization	18,580	19,781
Investment gain	(34,334)	0
Non-cash employee compensation	19,302	13,926
Deferred consideration in securitized receivables	(212,307)	(165,567)
Change in assets and liabilities, net of acquired	174,953	285,792
Net cash provided by (used in) operating activities	(14,653)	200,214
Investing activities:
Additions to property and equipment	(22,851)	(22,094)
Collection of deferred purchase price receivables	212,307	165,567
Other investing activities	0	2,875
Net cash provided by investing activities	189,456	146,348
Financing activities:
Dividends paid	(50,504)	(49,980)
Payments on long-term debt	(87,090)	(180,321)
Payments on revolving credit	0	(16,000)
Other financing activities	(4,067)	3,592
Net cash used in financing activities	(141,661)	(242,709)
Effect of exchange rate changes on cash	787	(1,322)
Net change in cash and cash equivalents	33,929	102,531
Cash and cash equivalents at beginning of period	95,646	62,984
Cash and cash equivalents at end of period	$ 129,575	$ 165,515