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Long-term Debt - Schedule of Debt (Details) - USD ($) $ in Millions | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Finance lease obligations | $ 19.6 | $ 40.0
Less: Debt issuance costs | (59.8) | (68.9)
Total debt | 1,352.8 | 1,367.0
Less: Current portion of long-term debt | 23.4 | 36.5
Long-term debt | 1,329.4 | 1,330.5
Senior Notes | 6.000% Senior Secured Notes due March 2022 |  |
Debt Instrument [Line Items] |  |
Long-term debt | 500.0 | 500.0
Senior Notes | 6.375% Senior Secured Notes due March 2025 |  |
Debt Instrument [Line Items] |  |
Long-term debt | 500.0 | 500.0
Term Loan | Senior Secured Term Loan due 2025, net of original issue discount |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 393.0 | $ 395.9

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 4: http://fasb.org/us-gaap/role/ref/legacyRef -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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