Leases (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 01, 2012	Dec. 03, 2011	Nov. 27, 2010
Rent expense for the years ended:
Operating Leases, Rent Expense, Net	$ 16,699	$ 16,518	$ 15,594
Future minimum rentals under noncancelable leases:
2012	12,761
2013	10,658
2014	8,205
2015	5,536
2016	3,392
Thereafter	$ 10,476

Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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- Definition

Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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- Definition

Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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