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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 24, 2011	Mar. 26, 2011
Consolidated Balance Sheets [Abstract]
Allowance for doubtful accounts on accounts receivable	$ 118	$ 73
Common stock, par value	$ 0.50	$ 0.50
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	7,826,079	7,759,580
Common stock, shares outstanding	7,327,297	7,260,798
Treasury stock, shares	498,782	498,782

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