Note 4 - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Aug. 27, 2016	Aug. 29, 2015
Deferred Tax Assets
Payroll and benefit related	$ 25,091	$ 22,533
Insurance related	14,404	14,565
Environmental	10,465	9,119
Other	10,320	10,438
Total deferred tax assets	60,280	56,655
Deferred Tax Liabilities
Tax in excess of book depreciation	48,414	36,888
Purchased intangible assets	35,697	33,428
Rental merchandise in service	51,869	51,772
Total deferred tax liabilities	135,980	122,088
Net deferred tax liability	$ 75,700	$ 65,433