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v3.19.3.a.u2

Leases Textuals (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended | 15 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Apr. 01, 2017 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019
Operating Leased Assets [Line Items] |  |  |  |  |  |  |  |  |
Lease Obligation, Assumed Amount Recoverable from Third Parties | $ 0.0 |  |  |  |  |  | $ 0.0 |  | $ 0.0
Provision for equipment loss | 58.5 | $ 24.7 | $ 17.1 | $ 49.3 | $ 0.0 | $ 0.0 | 83.2 | $ 66.4 |
Minimum Annual Production Of Federal Coal Mining Leases On Original Amount |  |  |  |  |  |  |  | 1.00% |
Capital lease and other obligations | $ 15.2 |  | $ 40.0 |  |  |  | $ 15.2 | $ 40.0 | 15.2
North Goonyella Mine | Leased Equipment |  |  |  |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |  |  |  |
Provision for equipment loss |  |  |  |  |  |  |  | $ 50.7 | $ 50.7
Maximum |  |  |  |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |  |  |  |
Operating and Finance Leases Remaining Lease Term |  |  |  |  |  |  | 11 years 3 months 18 days |  |
Minimum |  |  |  |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |  |  |  |
Operating and Finance Leases Remaining Lease Term |  |  |  |  |  |  | 1 year |  |

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- Definition Minimum Annual Production Of Coal Mining Leases On Original Amount + References No definition available. + Details
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- Definition Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -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=119400593&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -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 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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