CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Apr. 29, 2017	Apr. 30, 2016	Apr. 25, 2015
Operating activities:
Net income	$ 170,893	$ 187,184	$ 223,261
Net income (loss) from discontinued operations	(2,895)	1,500	43,178
Net income from continuing operations	173,788	185,684	180,083
Adjustments to reconcile net income from continuing operations to net cash provided by operating activities:
Depreciation	40,004	34,315	23,768
Amortization	43,814	48,068	20,755
Intangible asset impairment	36,312	0	0
Bad debt expense	1,642	8,246	2,546
Non-cash employee compensation	19,025	28,851	23,070
Accelerated amortization of debt issuance costs on early retirement of debt	60	5,153	0
Excess tax benefits from stock-based compensation	0	(2,656)	(255)
Deferred income taxes	(13,713)	(16,034)	460
Change in assets and liabilities, net of acquired:
Receivables	(103,181)	(57,249)	(40,696)
Inventory	(961)	(118,351)	(21,754)
Accounts payable	59,654	119,690	10,286
Accrued liabilities	(9,009)	(4,055)	42,555
Long term receivables	(63,976)	(38,882)	814
Other changes from operating activities, net	(17,845)	2,093	(36,568)
Net cash provided by operating activities- continuing operations	165,614	194,873	205,064
Net cash provided by (used in) operating activities- discontinued operations	(2,895)	(38,544)	57,627
Net cash provided by operating activities	162,719	156,329	262,691
Investing activities:
Additions to property and equipment	(47,019)	(79,354)	(60,662)
Acquisitions and equity investments, net of cash assumed	0	(1,106,583)	(10,515)
Proceeds from sale of securities	0	48,744	40,775
Purchase of investments	0	0	(543)
Other investing activities	48,212	22,320	18,035
Net cash provided by (used in) investing activities	1,193	(1,114,873)	(12,910)
Net cash provided by investing activities- discontinued operations	0	714,239	3,311
Net cash provided by (used in) investing activities	1,193	(400,634)	(9,599)
Financing activities:
Dividends paid	(95,910)	(90,597)	(81,760)
Repurchases of common stock	(125,384)	(200,000)	(47,539)
Proceeds from issuance of long-term debt	0	1,000,000	250,000
Debt issuance costs	0	(11,600)	0
Debt amendment costs	(1,266)	0	0
Retirement of long-term debt	(26,238)	(682,375)	(250,000)
Settlement of swap	0	0	(29,003)
Draw on revolver	39,000	20,000	0
Common stock issued, net	8,721	4,825	7,300
ESOP activity	(1,086)	(133)	(188)
Excess tax benefits from stock-based compensation	0	2,749	255
Net cash provided by (used in) financing activities	(202,163)	42,869	(150,935)
Effect of exchange rate changes on cash	(4,243)	(8,371)	(19,805)
Net increase (decrease) in cash and cash equivalents	(42,494)	(209,807)	82,352
Cash and cash equivalents at beginning of period	137,453	347,260	264,908
Cash and cash equivalents at end of period	94,959	137,453	347,260
Supplemental disclosures:
Income taxes paid	108,394	151,662	110,909
Interest paid	$ 34,972	$ 37,883	$ 34,076