CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jul. 27, 2013	Jul. 28, 2012
Cash flows from operating activities
Net income	$ 9,935	$ 4,695
Adjustments to reconcile net income to cash provided by (used for) operating activities
Deferred income tax expense (benefit)	700	(180)
Provision for doubtful accounts	(1,245)	669
Depreciation and amortization	5,847	5,486
Stock-based compensation expense	3,193	3,619
Pension plan contributions	0	(1,160)
Change in receivables	21,812	19,657
Change in inventories	(11,688)	(23,273)
Change in other assets	(1,193)	(2,906)
Change in payables	1,907	(4,546)
Change in other liabilities	(16,248)	(17,407)
Net cash provided by (used for) operating activities	13,020	(15,346)
Cash flows from investing activities
Proceeds from disposals of assets	2,078	922
Capital expenditures	(3,216)	(5,235)
Purchases of investments	(6,432)	(10,783)
Proceeds from sales of investments	8,558	2,198
Change in restricted cash	(6)	(6,931)
Net cash provided by (used for) investing activities	982	(19,829)
Cash flows from financing activities
Payments on debt	(132)	(2,121)
Stock issued for stock and employee benefit plans	763	654
Excess tax benefit on stock option exercises	3,277	873
Purchases of common stock	(7,071)	(4,012)
Dividends paid	(2,110)	0
Net cash used for financing activities	(5,273)	(4,606)
Effect of exchange rate changes on cash and equivalents	(314)	(25)
Change in cash and equivalents	8,415	(39,806)
Cash and equivalents at beginning of period	131,085	152,370
Cash and equivalents at end of period	$ 139,500	$ 112,564