Accrued Liabilities (Details) - USD ($) $ in Thousands	May 28, 2016	Nov. 28, 2015	May 30, 2015	Nov. 29, 2014
Payables and Accruals [Abstract]
Accrued salaries, wages and commissions	$ 16,112	$ 16,498
Compensated absences	8,797	8,672
Accrued insurance liabilities	9,921	9,928
Warranties	6,754	7,870	$ 8,595	$ 9,405
Customer deposits	16,519	25,036
Other accrued liabilities	29,867	38,406
Accrued liabilities	87,970	106,410
Letters of credit outstanding, amount	$ 17,903	$ 24,581