CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Apr. 28, 2012	Apr. 30, 2011	Apr. 24, 2010
Operating activities:
Net income	$ 212,815	$ 225,385	$ 212,254
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	25,254	24,613	25,692
Amortization	16,955	16,726	13,782
Bad debt expense	2,445	3,409	4,579
Stock-based compensation	12,615	10,481	8,826
Excess tax benefits from stock-based compensation	(1,371)	(1,276)	(387)
ESOP compensation	756	2,113	1,726
Deferred income taxes	89	17,170	251
Change in assets and liabilities net of acquired:
Decrease in receivables	468	3,784	24,185
Decrease (increase) in inventory	16,859	(26,639)	(12,090)
(Decrease) increase in accounts payable	(6,847)	9,664	9,215
Increase (Decrease) in accrued liabilities	37,948	(5,754)	3,680
Increase in long-term receivables	(1,766)	(15,212)	(23,501)
Other changes from operating activities, net	4,938	(1,852)	(2,727)
Net cash provided by operating activities	321,158	262,612	265,485
Investing activities:
Additions to property and equipment, net of acquisitions	(29,650)	(36,822)	(29,804)
Acquisitions and equity investments, net of cash	(22,620)	(52,187)	(53,672)
Net cash used in investing activities	(52,270)	(89,009)	(83,476)
Financing activities:
Dividends paid	(54,741)	(49,992)	(11,886)
Payments on revolver	0	0	(22,000)
Repurchases of common stock	(362,379)	(97,153)	0
Other	(931)	707	1,360
Common stock issued, net	13,621	11,940	12,184
Proceeds from issuance of long-term debt	325,000	0	0
Excess tax benefits from stock-based compensation	1,371	1,276	387
Net cash used in financing activities	(78,059)	(133,222)	(19,955)
Effect of exchange rate changes on cash	(5,713)	7,693	20,472
Net increase in cash and cash equivalents	185,116	48,074	182,526
Cash and cash equivalents at beginning of period	388,665	340,591	158,065
Cash and cash equivalents at end of period	573,781	388,665	340,591
Supplemental disclosures:
Income taxes paid	81,959	112,840	139,504
Interest paid	24,868	24,703	25,628
Repurchases of common stock with liability due to broker	$ 475	$ 1,807