Income Taxes - Components of Deferred Income Taxes (Details) - USD ($) $ in Thousands	Aug. 30, 2025	Aug. 31, 2024
Deferred tax assets
Payroll and benefit related	$ 16,578	$ 16,009
Insurance related	14,694	14,067
Environmental	7,412	7,807
Accrued expenses	7,236	8,169
Operating lease liabilities	17,911	17,083
Research and development	4,891	6,243
Other	13,121	12,884
Total deferred tax assets	81,843	82,262
Deferred tax liabilities
Payroll and benefit related	26,441	24,655
Property, plant and equipment	57,953	59,113
Purchased intangible assets	54,169	48,908
Rental merchandise in service	56,617	59,692
Operating lease right-of-use assets	17,356	16,575
Other	48	320
Total deferred tax liabilities	212,584	209,263
Net deferred tax liability	$ 130,741	$ 127,001