Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Oct. 26, 2013	Oct. 27, 2012
Operating Activities:
Net income	$ 24,567	$ 26,409
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	5,831	5,759
Deferred income tax benefit	(117)	(317)
Loss on disposal of property, net		44
Stock-based compensation	24	156
Changes in assets and liabilities:
Trade receivables	8,130	4,972
Inventories	(3,686)	(2,068)
Prepaid and other assets	(374)	(1,121)
Accounts payable	(7,010)	(15,120)
Accrued and other liabilities	(3,860)	(2,569)
Net cash provided by operating activities	23,505	16,145
Investing Activities:
Additions to property, plant and equipment	(4,371)	(3,226)
Proceeds from sale of property, plant and equipment	17	10
Net cash used in investing activities	(4,354)	(3,216)
Financing Activities:
Dividends paid on preferred stock	(299)
Repayments under credit facilities	(10,000)
Other, net	(53)	151
Net cash (used in) provided by financing activities	(10,352)	151
Net Increase in Cash and Equivalents	8,799	13,080
Cash and Equivalents - Beginning of Year	18,267	35,626
Cash and Equivalents - End of Period	27,066	48,706
Other Cash Flow Information:
Interest paid	395	51
Income taxes paid	$ 13,551	$ 13,046