CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Oct. 27, 2012	Oct. 29, 2011
Cash flows from operating activities
Net income	$ 11,527	$ 53,528
Adjustments to reconcile net income to cash provided by (used for) operating activities
Loss (gain) on disposal of assets	47	(139)
Deferred income tax benefit	(457)	(43,784)
Restructuring	2,686	166
Provision for doubtful accounts	654	2,118
Depreciation and amortization	11,239	12,372
Stock-based compensation expense	6,959	3,285
Pension plan contributions	(2,320)	(1,860)
Change in receivables	11,689	(1,418)
Change in inventories	(22,290)	(4,765)
Change in other assets	(6,090)	(2,993)
Change in payables	(4,619)	(1,034)
Change in other liabilities	(11,484)	2,046
Net cash (used for) provided by operating activities	(2,459)	17,522
Cash flows from investing activities
Proceeds from disposal of assets	985	221
Capital expenditures	(11,637)	(8,218)
Purchases of investments	(31,514)	(5,214)
Proceeds from sales of investments	5,684	5,160
Acquisitions, net of cash acquired	(15,863)	0
Change in restricted cash	(6,931)	0
Other	0	(681)
Net cash used for investing activities	(59,276)	(8,732)
Cash flows from financing activities
Payments on debt	(2,255)	(4,860)
Payments for debt issuance costs	0	(390)
Stock issued for stock and employee benefit plans	1,236	321
Excess tax benefit on stock option exercises	1,025	0
Purchases of common stock	(4,012)	(1,542)
Net cash used for financing activities	(4,006)	(6,471)
Effect of exchange rate changes on cash and equivalents	(21)	(48)
Change in cash and equivalents	(65,762)	2,271
Cash and equivalents at beginning of period	152,370	115,262
Cash and equivalents at end of period	$ 86,608	$ 117,533