Accounts Payable, Accrued Liabilities and Guarantees (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 01, 2014	Nov. 30, 2013
Payables and Accruals [Abstract]
Accounts payable	$ 107,738	$ 79,164
Accrued salaries, wages and commissions	9,344	14,908
Pension and postretirement healthcare benefits liabilities	216	278
Compensated absences	8,331	8,600
Accrued insurance liabilities	8,272	7,599
Customer deposits	20,420	16,081
Other accrued liabilities	43,445	30,908
Accounts payable and accrued liabilities	197,766	157,538
Letters of credit outstanding, amount	$ 29,538	$ 28,541