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Long-term Debt - Schedule of Debt (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Finance lease obligations | $ 27.6 | $ 29.3
Less: Debt issuance costs | (31.2) | (34.8)
Total debt | 1,098.1 | 1,137.8
Less: Current portion of long-term debt | 19.1 | 59.6
Long-term debt | 1,079.0 | 1,078.2
Senior Notes | 6.000% Senior Secured Notes due March 2022 (2022 Notes) |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 0.0 | 23.1
Stated interest rate | 6.00% |
Senior Notes | 8.500% Senior Secured Notes due December 2024 (2024 Peabody Notes) |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 0.0 | 62.6
Stated interest rate | 8.50% |
Senior Notes | 10.000% Senior Secured Notes due December 2024 (2024 Co-Issuer Notes) |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 193.6 | 193.9
Stated interest rate | 10.00% |
Senior Notes | 6.375% Senior Secured Notes due March 2025 (2025 Notes) |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 77.5 | 334.9
Stated interest rate | 6.375% |
Term Loan | Senior Secured Term Loan due 2024 (Co-Issuer Term Loans) |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 188.8 | 206.0
Term Loan | Senior Secured Term Loan due 2025, net of original issue discount (Senior Secured Term Loan) |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 321.8 | $ 322.8

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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=123466204&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=120400017&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=120391452&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=120398452&loc=d3e534808-122878 + Details
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