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Amount of amortization expense attributable to debt issuance costs.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Fair value of the amount outstanding under the credit facility.

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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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Debt Instrument, Periodic Payment, Principal, Percent of Original Amount

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Long-Term Debt (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended	12 Months Ended
Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Nov. 08, 2016	Jun. 30, 2017	Nov. 26, 2016	Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Debt Instrument [Line Items]
Debt issuance costs					$ 9,400
Accumulated amortization of debt issuance costs					1,600
Debt issuance costs, net, current					1,400
Debt issuance costs, net, long-term					8,000
Amortization of debt issuance costs					$ 1,596	$ 0	$ 0
Prior Credit Agreement [Member]
Debt Instrument [Line Items]
Amortization of debt issuance costs				$ 100
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL
Debt Instrument [Line Items]
Debt, face amount		$ 125,000
Debt instrument, term		5 years
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan
Debt Instrument [Line Items]
Debt, face amount		$ 300,000
Debt instrument, term		7 years
Quarterly installment, percent of aggregate principal amount		1.00%
Debt instrument, voluntary prepayment			$ 10,000
Incremental term loans, up to		$ 125,000
Effective interest rate					5.70%
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan \| Scenario, Forecast [Member]
Debt Instrument [Line Items]
Quarterly installment, percent of aggregate principal amount	1.25%
JPMorgan Chase [Member] \| Line of Credit [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Debt, face amount		$ 10,000
ABL agreement, amount outstanding					$ 200