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Long-Term Debt (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017	Oct. 22, 2019	Sep. 21, 2018	Nov. 08, 2016
Debt Instrument [Line Items]
Payments of Debt Issuance Costs	$ 0	$ 589	$ 11,020
Amortization of debt issuance costs	$ 1,612	$ 2,206	$ 1,596
ABL
Debt Instrument [Line Items]
Debt, face amount					$ 165,000	$ 125,000
Debt instrument, term		5 years
Line of Credit Facility, Commitment Fee Percentage	0.25%
Debt Instrument, Basis Spread on Variable Rate	1.25%
Payments of Debt Issuance Costs		$ 1,100
Term Loan
Debt Instrument [Line Items]
Debt instrument, term		7 years
Debt Instrument, Face Amount						300,000
Debt Instrument, Basis Spread on Variable Rate	2.32%
Payments of Debt Issuance Costs		$ 10,500
Prior Credit Agreement [Member]
Debt Instrument [Line Items]
Amortization of debt issuance costs		$ 600
Letter of Credit [Member] | ABL
Debt Instrument [Line Items]
Debt Instrument, Face Amount						$ 10,000
Subsequent Event [Member] | ABL
Debt Instrument [Line Items]
Debt, face amount				$ 192,500

X

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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X

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

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