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Income Taxes (Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Aug. 31, 2019 | Sep. 01, 2018
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Income Taxes [Abstract] |  |
Deferred tax liabilities: Depreciation | $ (40,602) | $ (36,361)
Deferred tax liabilities: Deferred catalog costs | (546) | (561)
Deferred tax liabilities: Goodwill | (86,707) | (77,023)
Deferred tax liabilities: Intangible amortization | (143) |
Deferred tax liabilities | (127,998) | (113,945)
Deferred tax assets: Accounts receivable | 3,823 | 2,812
Deferred tax assets: Inventory | 6,529 | 6,163
Deferred tax assets: Deferred compensation | 853 | 650
Deferred tax assets: Stock-based compensation | 5,887 | 5,329
Deferred tax assets: Intangible amortization |  | 988
Foreign Tax Credit | 2,712 | 2,712
Less: Valuation Allowance | (1,762) | (1,762)
Deferred tax assets: Other accrued expenses/reserves | 8,164 | 7,192
Deferred tax assets | 26,206 | 24,084
Net Deferred Tax Liabilities | $ (101,792) | $ (89,861)

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