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Long-Term Debt - Narrative (Details) |  |  |  |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 14, 2017 USD ($) | Apr. 22, 2016 USD ($) | Dec. 26, 2015 | Nov. 09, 2015 USD ($) | Dec. 30, 2017 USD ($) | Sep. 30, 2017 USD ($) | Dec. 24, 2016 USD ($) | Dec. 31, 2015 USD ($)
Letter of credit |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Letters of credit outstanding |  |  |  |  | $ 1,800,000 |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Maturity date of senior subordinated notes |  |  |  |  | Apr. 01, 2021 |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | LIBOR-based borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  |  |  |  | 1.25% |  |  |
Applicable interest rate on the credit facility |  |  |  |  | 2.80% |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Base rate borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  |  |  |  | 0.25% |  |  |
Applicable interest rate on the credit facility |  |  |  |  | 4.80% |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Minimum | LIBOR-based borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  |  |  |  | 1.25% |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Minimum | Base rate borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  |  |  |  | 0.25% |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Maximum | LIBOR-based borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  |  |  |  | 1.50% |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Maximum | Base rate borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  |  |  |  | 0.50% |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Revolving credit facility |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt issuance cost |  |  |  |  | $ 1,200,000 |  |  |
Credit facility, maximum principal amount |  | $ 400,000,000.0 |  |  |  |  |  |
Credit facility, additional borrowings available |  | $ 200,000,000.0 |  |  |  |  |  |
Line of credit outstanding borrowings |  |  |  |  | 0 |  |  |
Credit facility, available capacity |  |  |  |  | 330,200,000 |  |  |
Debt instrument fixed charge coverage ratio |  | 1 |  |  |  |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Revolving credit facility | Federal funds rate |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  | 0.50% |  |  |  |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Revolving credit facility | One-month LIBOR |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  | 1.00% |  |  |  |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Revolving credit facility | Minimum | LIBOR-based borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  | 1.25% |  |  |  |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Revolving credit facility | Minimum | Base rate borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  | 0.25% |  |  |  |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Revolving credit facility | Maximum | LIBOR-based borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  | 1.50% |  |  |  |  |  |
Asset-based revolving credit facility, interest at LIBOR plus a margin of 1.25% to 1.50% or Base Rate plus a margin of 0.25% to 0.50%, final maturity April 2021 | Revolving credit facility | Maximum | Base rate borrowings |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Applicable interest margin rate on the credit facility |  | 0.50% |  |  |  |  |  |
Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 | Redemption period one |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage | 105.125% |  |  |  |  |  |  |
Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 | Redemption period two |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage | 102.563% |  |  |  |  |  |  |
Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 | Redemption period three |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage | 101.708% |  |  |  |  |  |  |
Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 | Redemption period four |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage | 100.854% |  |  |  |  |  |  |
Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 | Redemption period five |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage | 100.00% |  |  |  |  |  |  |
Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 | Upon change of control |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage | 101.00% |  |  |  |  |  |  |
Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 | Senior notes |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Aggregate principal amount of debt | $ 300,000,000.0 |  |  |  | $ 300,000,000 | $ 0 | $ 0 |
Debt instrument interest rate stated, percentage | 5.125% |  |  |  | 5.125% |  |  |
Debt issuance cost | $ 4,600,000 |  |  |  |  |  |  |
Redemption percentage | 35.00% |  |  |  |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Redemption percentage |  |  |  | 35.00% |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 | Redemption period one |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage |  |  |  | 106.125% |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 | Redemption period two |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage |  |  |  | 104.594% |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 | Redemption period three |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage |  |  |  | 103.063% |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 | Redemption period four |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage |  |  |  | 101.531% |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 | Redemption period five |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage |  |  |  | 100.00% |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 | Upon change of control |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage |  |  |  | 101.00% |  |  |  |
Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 | Senior notes |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Aggregate principal amount of debt |  |  |  | $ 400,000,000 | $ 400,000,000 | $ 400,000,000 | $ 400,000,000 |
Debt instrument interest rate stated, percentage |  |  |  | 6.125% | 6.125% |  |  |
Debt issuance cost |  |  |  | $ 6,300,000 |  |  |  |
Maturity date of senior subordinated notes |  |  |  |  | Nov. 01, 2023 |  |  |
Senior subordinated notes, interest at 8.25%, payable semi-annually, principal due march 2018 | Senior notes |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Aggregate principal amount of debt |  |  |  |  |  |  |  | $ 400,000,000
Debt instrument interest rate stated, percentage |  |  |  |  |  |  |  | 8.25%
Maturity date of senior subordinated notes |  |  |  |  | Mar. 01, 2018 |  |  |
Senior subordinated notes, interest at 8.25%, payable semi-annually, principal due march 2018 | Senior subordinated notes |  |  |  |  |  |  |  |
Components of long-term debt |  |  |  |  |  |  |  |
Debt redemption price percentage |  |  | 102.063% |  |  |  |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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