Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Nov. 01, 2014	Oct. 26, 2013
Operating Activities:
Net income	$ 28,321	$ 24,567
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	6,053	5,831
Deferred income tax provision (benefit)	236	(117)
Gain on disposal of property, net	(1,255)
Stock-based compensation	131	24
Changes in assets and liabilities:
Trade receivables	4,282	8,130
Inventories	(3,125)	(3,686)
Prepaid and other assets	635	(374)
Accounts payable	(2,635)	(7,010)
Accrued and other liabilities	(1,413)	(3,860)
Net cash provided by operating activities	31,230	23,505
Investing Activities:
Additions to property, plant and equipment	(4,557)	(4,371)
Proceeds from sale of property, plant and equipment	1,848	17
Net cash used in investing activities	(2,709)	(4,354)
Financing Activities:
Dividends paid on preferred stock	(163)	(299)
Repayments under credit facilities	(10,000)	(10,000)
Redemption of preferred stock	(6,000)
Other, net	55	(53)
Net cash used in financing activities	(16,108)	(10,352)
Net Increase in Cash and Equivalents	12,413	8,799
Cash and Equivalents - Beginning of Year	29,932	18,267
Cash and Equivalents - End of Period	42,345	27,066
Other Cash Flow Information:
Interest paid	227	395
Income taxes paid	$ 13,040	$ 13,551