Income Taxes - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
Dec. 22, 2017	Aug. 29, 2020	Aug. 31, 2019	Aug. 25, 2018
Percentage of domestic federal statutory tax rate		21.00%	21.00%	25.90%
Provisional net benefit				$ 20,100
Effective income tax rate		23.70%	24.70%	12.50%
Tax benefit resulting from release of tax reserves		$ 2,100
Unrecognized tax benefits		6,330	$ 7,668	$ 2,198
Total unrecognized tax benefits		5,600	7,000
Accrued interest and penalties		$ 200	$ 200
Maximum
Percentage of domestic federal statutory tax rate	35.00%
Minimum
Percentage of domestic federal statutory tax rate	21.00%

Discrete tax benefit resulting from release of tax reserves.

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- Definition

Tax Cuts And Jobs Act Of 2017, complete Accounting, Provisional Income Tax Expense (Benefit).

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

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