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Property, Plant And Equipment (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 03, 2022 | Aug. 28, 2021 | Aug. 29, 2020
Capitalized interest, net of accumulated amortization | $ 460 | $ 606 |
Depreciation expense | 58,285 | 57,199 | $ 57,229
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment | 25,500 |  |
Property, plant and equipment, net | 286,666 | 298,416 |
Long Island Customer Service Center [Member] |  |  |
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment | $ 25,500 |  |
Property, plant and equipment, net |  | 15,300 |
Building and Building Improvements [Member] | Long Island Customer Service Center [Member] |  |  |
Property, plant and equipment, net |  | 11,600 |
Land [Member] | Long Island Customer Service Center [Member] |  |  |
Property, plant and equipment, net |  | $ 3,700 |

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