CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Jul. 28, 2018	Jul. 29, 2017
Cash flows from operating activities
Net income	$ 18,951	$ 11,744
Adjustments to reconcile net income to cash provided by operating activities
Change in deferred taxes	(183)	1,344
Provision for doubtful accounts	279	(22)
Depreciation and amortization	7,541	7,758
Equity-based compensation expense	2,040	3,558
Change in receivables	14,236	15,753
Change in inventories	(11,092)	(2,477)
Change in other assets	463	(10,837)
Change in payables	2,491	(3,974)
Change in other liabilities	(2,572)	(3,339)
Net cash provided by operating activities	32,154	19,508
Cash flows from investing activities
Proceeds from disposals of assets	61	459
Proceeds from property insurance	58	450
Capital expenditures	(15,873)	(9,146)
Purchases of investments	(4,190)	(10,851)
Proceeds from sales of investments	4,762	5,857
Acquisitions, net of cash acquired		(15,879)
Net cash used for investing activities	(15,182)	(29,110)
Cash flows from financing activities
Payments on debt	(59)	(66)
Stock issued for stock and employee benefit plans, net of shares withheld for taxes	(2,009)	377
Purchases of common stock	(7,944)	(11,491)
Dividends paid	(5,625)	(5,337)
Net cash used for financing activities	(15,637)	(16,517)
Effect of exchange rate changes on cash and equivalents	(1,601)	851
Change in cash, cash equivalents and restricted cash	(266)	(25,268)
Cash, cash equivalents and restricted cash at beginning of period	136,871	150,859
Cash, cash equivalents and restricted cash at end of period	136,605	125,591
Supplemental disclosure of non-cash investing activities
Capital expenditures included in accounts payable	$ 4,122	$ 1,671