Accrued Liabilities (Details) - USD ($) $ in Thousands	Feb. 27, 2016	Nov. 28, 2015	Feb. 28, 2015	Nov. 29, 2014
Payables and Accruals [Abstract]
Accrued salaries, wages and commissions	$ 12,767	$ 16,498
Compensated absences	8,071	8,672
Accrued insurance liabilities	8,774	9,928
Warranties	7,276	7,870	$ 9,145	$ 9,405
Customer deposits	26,726	25,036
Other accrued liabilities	30,879	38,406
Accrued liabilities	94,493	106,410
Letters of credit outstanding, amount	$ 19,976	$ 24,581