Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jan. 25, 2014	Apr. 27, 2013
Current assets:
Cash and equivalents	$ 27,115	$ 18,267
Trade receivables - net	51,257	64,069
Inventories	42,463	39,234
Deferred income taxes - net	3,534	3,665
Prepaid and other assets	7,738	5,706
Total current assets	132,107	130,941
Property, plant and equipment - net	57,734	57,307
Goodwill	13,145	13,145
Intangible assets	1,615	1,615
Other assets	5,549	5,634
Total assets	210,150	208,642
Current liabilities:
Accounts payable	33,099	44,261
Accrued liabilities	15,333	19,142
Income taxes payable	90	34
Total current liabilities	48,522	63,437
Long-term debt	35,000	50,000
Deferred income taxes - net	14,272	14,327
Other liabilities	10,382	10,562
Preferred stock, $1 par value - 1,000,000 shares authorized:
Common stock, $.01 par value - 75,000,000 shares authorized; 50,364,699 shares issued (50,361,799 shares at April 27, 2013)	504	504
Additional paid-in capital	50,419	50,398
Retained earnings	69,082	37,828
Accumulated other comprehensive loss	(581)	(964)
Treasury stock - at cost:
Total shareholders' equity	101,974	70,316
Total liabilities and shareholders' equity	210,150	208,642
Series C Preferred Stock [Member]
Preferred stock, $1 par value - 1,000,000 shares authorized:
Preferred stock	150	150
Treasury stock - at cost:
Treasury Stock	(5,100)	(5,100)
Series D Preferred Stock [Member]
Preferred stock, $1 par value - 1,000,000 shares authorized:
Preferred stock	400	400
Common Treasury Stock [Member]
Treasury stock - at cost:
Treasury Stock	$ (12,900)	$ (12,900)