Consolidated Balance Sheets - USD ($)	Apr. 29, 2017	Apr. 30, 2016
Current assets:
Cash and equivalents	$ 136,372,000	$ 105,577,000
Trade receivables - net	71,319,000	61,046,000
Inventories	53,355,000	47,922,000
Deferred income taxes net	3,906,000	4,454,000
Prepaid and other assets	7,275,000	4,672,000
Total current assets	272,227,000	223,671,000
Property, plant and equipment - net	65,150,000	61,932,000
Goodwill	13,145,000	13,145,000
Intangible assets	1,615,000	1,615,000
Other assets	5,752,000	5,135,000
Total assets	357,889,000	305,498,000
Current liabilities:
Accounts payable	58,100,000	49,391,000
Accrued liabilities	29,017,000	26,195,000
Income taxes payable	89,000	28,000
Total current liabilities	87,206,000	75,614,000
Noncurrent deferred tax liabilities – net	15,993,000	14,474,000
Other liabilities	9,072,000	9,258,000
Shareholders' equity:
Common stock, $.01 par value - 75,000,000 shares authorized; 50,616,134 shares (2017) and 50,588,734 shares (2016) issued	506,000	506,000
Additional paid-in capital	35,638,000	34,570,000
Retained earnings	227,928,000	190,733,000
Accumulated other comprehensive loss	(604,000)	(1,807,000)
Total shareholders' equity	245,618,000	206,152,000
Total liabilities and shareholders' equity	357,889,000	305,498,000
Series C Preferred Stock [Member]
Shareholders' equity:
Preferred stock, $1 par value - 1,000,000 shares authorized Series C - 150,000 shares issued	150,000	150,000
Treasury stock, value	(5,100,000)	(5,100,000)
Treasury Stock, Common [Member]
Shareholders' equity:
Treasury stock, value	$ (12,900,000)	$ (12,900,000)