Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 01, 2018	Sep. 02, 2017
Accrued Liabilities [Abstract]
Accrued payroll and fringe	$ 33,012	$ 32,151
Accrued bonus	25,620	19,657
Accrued sales, property and income taxes	13,380	12,622
Accrued sales rebates and returns	18,832	14,458
Accrued other	30,449	25,585
Total accrued liabilities	$ 121,293	$ 104,473