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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 03, 2012	May 28, 2011
Accounts receivable, allowance	$ 584	$ 438
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares issued	0	0
Common stock in treasury	11	112
Common Stock [Member]
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares issued	13,953	14,921
Class B Common Stock [Member]
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares issued	2,940	2,952

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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