Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2015	Nov. 01, 2014
Operating Activities:
Net income	$ 32,425	$ 28,321
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	6,055	6,053
Deferred income tax (benefit) provision	(15)	236
Gain on sale of property, net	(5)	(1,255)
Stock-based compensation	128	131
Changes in assets and liabilities:
Trade receivables	2,671	4,282
Inventories	(5,752)	(3,125)
Prepaid and other assets	583	635
Accounts payable	(2,438)	(2,635)
Accrued and other liabilities	3,509	(1,413)
Net cash provided by operating activities	37,161	31,230
Investing Activities:
Additions to property, plant and equipment	(4,413)	(4,557)
Proceeds from sale of property, plant and equipment	5	1,848
Net cash used in investing activities	(4,408)	(2,709)
Financing Activities:
Dividends paid on preferred stock	(74)	(163)
Repayments under credit facilities	$ (10,000)	(10,000)
Redemption of preferred stock		(6,000)
Proceeds from stock options exercised	$ 442	39
Stock-based tax benefits	211	16
Net cash used in financing activities	(9,421)	(16,108)
Net Increase in Cash and Equivalents	23,332	12,413
Cash and Equivalents - Beginning of Period	52,456	29,932
Cash and Equivalents - End of Period	75,788	42,345
Other Cash Flow Information:
Interest paid	90	227
Income taxes paid	$ 15,154	$ 13,040