Accounts Payable, Accrued Liabilities and Guarantees (Details 1) (USD $) In Thousands, unless otherwise specified	Aug. 30, 2014	Nov. 30, 2013
Payables and Accruals [Abstract]
Accounts payable	$ 113,905	$ 79,164
Accrued salaries, wages and commissions	22,095	14,908
Pension and postretirement healthcare benefits liabilities	216	278
Compensated absences	9,655	8,600
Accrued insurance liabilities	11,182	7,599
Customer deposits	24,544	16,081
Other accrued liabilities	43,301	30,908
Accounts payable and accrued liabilities	224,898	157,538
Letters of credit outstanding, amount	$ 31,230	$ 28,541