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Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Sep. 02, 2017 | Sep. 03, 2016
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Income Taxes [Abstract] |  |
Deferred tax liabilities: Depreciation | $ (56,382) | $ (53,580)
Deferred tax liabilities: Deferred catalog costs | (1,079) | (1,347)
Deferred tax liabilities: Goodwill | (103,218) | (88,607)
Deferred tax liabilities | (160,679) | (143,534)
Deferred tax assets: Accounts receivable | 4,441 | 4,089
Deferred tax assets: Inventory | 9,794 | 9,995
Deferred tax assets: Deferred compensation | 1,280 | 1,710
Deferred tax assets: Stock based compensation | 9,140 | 9,813
Deferred tax assets: Intangible amortization | 9,517 | 11,933
Deferred tax assets: Other accrued expenses/reserves | 17,445 | 9,087
Deferred tax assets | 51,617 | 46,627
Net Deferred Tax Liabilities | $ (109,062) | $ (96,907)

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