Leases (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 03, 2011	Nov. 27, 2010	Nov. 28, 2009
Rent expense for the years ended:
Operating Leases, Rent Expense, Net	$ 16,518	$ 15,594	$ 16,139
Future minimum rentals under noncancelable leases:
2012	10,781
2013	9,818
2014	8,186
2015	6,540
2016	4,250
Thereafter	$ 13,158

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating.

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For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating.

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- Definition

For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating.

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