Amount of accumulated amortization of debt issuance costs.

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Amount of amortization expense attributable to debt issuance costs.

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

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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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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.

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

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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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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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

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Line of Credit Facility, Accordion Feature, Increase Limit

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Long-Term Debt - Narrative (Details) - USD ($)				3 Months Ended		13 Months Ended
Long-Term Debt - Narrative (Details) - USD ($)	Dec. 31, 2017	Dec. 08, 2017	Nov. 08, 2016	Nov. 25, 2017	Nov. 26, 2016	Dec. 07, 2017
Debt Instrument [Line Items]
Borrowings on credit facility				$ 0	$ 353,000,000
Debt issuance costs				9,000,000
Accumulated amortization of debt issuance costs				2,000,000
Debt issuance costs, net, current				1,400,000
Debt issuance costs, net, long-term				7,600,000
Amortization of debt issuance costs				$ 437,000	78,000
Prior Credit Agreement [Member]
Debt Instrument [Line Items]
Amortization of debt issuance costs					$ 100,000
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL
Debt Instrument [Line Items]
Debt, face amount			$ 125,000,000
Debt instrument, term			5 years
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate				1.25%
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan
Debt Instrument [Line Items]
Debt, face amount			$ 300,000,000
Debt instrument, term			7 years
Quarterly installment, percent of aggregate principal amount			1.00%
Incremental term loans, up to			$ 125,000,000
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			$ 10,000,000
Subsequent Event [Member] \| JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL
Debt Instrument [Line Items]
Borrowings on credit facility		$ 19,700,000
Subsequent Event [Member] \| JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan
Debt Instrument [Line Items]
Debt, face amount		$ 260,000,000
Subsequent Event [Member] \| JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		3.50%				4.50%
Letter of Credit [Member] \| JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL
Debt Instrument [Line Items]
Outstanding letter of credit				$ 200,000