CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jan. 24, 2015	Jan. 25, 2014
Cash flows from operating activities
Net income	$ 51,491	$ 43,823
Adjustments to reconcile net income to cash provided by (used for) operating activities
Restructuring	(1,106)	(115)
Impairment of business held for sale		1,149
Deferred income tax benefit	(3,987)	(2,929)
Provision for doubtful accounts	(2,060)	(2,494)
Depreciation and amortization	16,297	17,529
Equity-based compensation expense	6,094	7,371
Change in receivables	7,011	4,865
Change in inventories	(11,913)	(15,166)
Change in other assets	5,794	2,698
Change in payables	(7,659)	2,865
Change in other liabilities	(4,898)	3,193
Net cash provided by operating activities	55,064	62,789
Cash flows from investing activities
Proceeds from disposal of assets	8,940	2,248
Capital expenditures	(56,512)	(23,078)
Purchases of investments	(30,544)	(40,796)
Proceeds from sales of investments	23,987	27,974
Acquisitions, net of cash acquired	(1,774)	(801)
Change in restricted cash	2,935	120
Net cash used for investing activities	(52,968)	(34,333)
Cash flows from financing activities
Payments on debt	(7,413)	(434)
Payments for debt issuance costs	(164)
Stock issued for stock and employee benefit plans	496	3,526
Excess tax benefit on stock option exercises	234	5,805
Purchases of common stock	(35,752)	(20,276)
Dividends paid	(10,416)	(7,375)
Net cash used for financing activities	(53,015)	(18,754)
Effect of exchange rate changes on cash and equivalents	(332)	(675)
Change in cash and equivalents	(51,251)	9,027
Cash and equivalents at beginning of period	149,661	131,085
Cash and equivalents at end of period	98,410	140,112
Supplemental disclosure of non-cash investing activities
Capital expenditures included in payables	$ 6,275	$ 2,183