CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Oct. 25, 2014	Oct. 26, 2013
Cash flows from operating activities
Net income	$ 33,019	$ 26,952
Adjustments to reconcile net income to cash provided by (used for) operating activities
Restructuring	(332)	(55)
Deferred income tax benefit	(1,799)	(391)
Provision for doubtful accounts	(1,113)	(1,994)
Depreciation and amortization	10,996	11,661
Equity-based compensation expense	5,047	5,671
Change in receivables	(2,135)	1,298
Change in inventories	(11,006)	(10,561)
Change in other assets	6,253	(1,920)
Change in payables	(785)	3,772
Change in other liabilities	(6,377)	(2,020)
Net cash provided by operating activities	31,768	32,413
Cash flows from investing activities
Proceeds from disposal of assets	6,534	2,241
Capital expenditures	(40,580)	(14,323)
Purchases of investments	(24,224)	(23,180)
Proceeds from sales of investments	17,827	18,196
Change in restricted cash	7,287	120
Net cash used for investing activities	(33,156)	(16,946)
Cash flows from financing activities
Payments on debt	(7,358)	(263)
Stock issued for stock and employee benefit plans	161	2,983
Excess tax benefit on stock option exercises	252	5,228
Purchases of common stock	(19,654)	(13,681)
Dividends paid	(6,274)	(4,214)
Net cash used for financing activities	(32,873)	(9,947)
Effect of exchange rate changes on cash and equivalents	(75)	(360)
Change in cash and equivalents	(34,336)	5,160
Cash and equivalents at beginning of period	149,661	131,085
Cash and equivalents at end of period	115,325	136,245
Supplemental disclosure of non-cash investing activities
Capital expenditures included in payables	$ 5,339