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General (Details1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 29, 2012	Nov. 24, 2011	Nov. 29, 2012	Nov. 24, 2011
Numerator:
Net earnings	$ 4,724	$ 2,824	$ 15,403	$ 15,301
Denominator:
Denominator for basic EPS	28,139	29,172	28,530	29,412
Effect of dilutive employee stock options	9	31	19	28
Denominator for diluted EPS	28,148	29,203	28,549	29,440
Common Stock [Member]
Net earnings per share - basic:
Common Stock	$ 0.17	$ 0.10	$ 0.56	$ 0.53
Net earnings per share - diluted:
Common Stock	$ 0.17	$ 0.10	$ 0.54	$ 0.52
Common Class B [Member]
Net earnings per share - basic:
Common Stock	$ 0.16	$ 0.09	$ 0.52	$ 0.49
Net earnings per share - diluted:
Common Stock	$ 0.16	$ 0.09	$ 0.52	$ 0.49

X

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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