Accounts Payable, Accrued Liabilities and Guarantees (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 01, 2012	Dec. 03, 2011
Accounts Payable and Accrued Liabilities [Line Items]
Accounts payable	$ 63,795	$ 64,701
Accrued salaries, wages and commissions	12,229	24,760
Compensated absences	9,039	8,530
Accrued insurance liabilities	8,272	9,017
Customer deposits	15,544	8,727
Other accrued liabilities	57,311	39,850
Accounts payable and accrued liabilities	166,190	155,585
Letters of Credit Outstanding, Amount	$ 28,272	$ 25,623