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Long-Term Debt - Components of Long-term Debt (Details) - USD ($) | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2018 | Dec. 30, 2017 | Dec. 14, 2017 | Sep. 30, 2017 | Jun. 24, 2017 | Nov. 09, 2015
Debt Instrument [Line Items] |  |  |  |  |  |
Total | $ 691,860,000 |  |  | $ 395,653,000 | $ 435,449,000 |
Less current portion | (119,000) |  |  | (375,000) | (375,000) |
Long-term portion | 691,741,000 |  |  | 395,278,000 | 435,074,000 |
Senior notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Unamortized debt issuance costs | (8,741,000) |  |  | (4,840,000) | (5,039,000) |
Total | 691,259,000 |  |  | 395,160,000 | 394,961,000 |
Senior notes | Senior notes, interest at 6.125%, payable semi-annually, principal due November 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes | $ 400,000,000 |  |  | 400,000,000 | 400,000,000 | $ 400,000,000
Debt instrument maturity period | Nov. 01, 2023 |  |  |  |  |
Debt instrument interest rate stated, percentage | 6.125% |  |  |  |  | 6.125%
Senior notes | Senior notes, interest at 5.125%, payable semi-annually, principal due February 2028 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Notes | $ 300,000,000 |  | $ 300,000,000.0 | 0 | 0 |
Total | $ 295,500,000 |  |  |  |  |
Debt instrument maturity period | Feb. 01, 2028 |  |  |  |  |
Debt instrument interest rate stated, percentage | 5.125% | 5.125% | 5.125% |  |  |
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 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total | $ 0 |  |  | 0 | 40,000,000 |
Debt instrument maturity period | 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 | Base rate borrowings |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
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 | LIBOR-based borrowings |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
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 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
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 | Minimum | LIBOR-based borrowings |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
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 | Maximum | Base rate borrowings |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
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 | Maximum | LIBOR-based borrowings |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Applicable interest margin rate on the credit facility | 1.50% |  |  |  |  |
Other notes payable |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total | $ 601,000 |  |  | $ 493,000 | $ 488,000 |

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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 Contractual interest rate for funds borrowed, under the debt 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: 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(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: 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 Reference 3: 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 + Details
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