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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

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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