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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.20.2
ASSET RETIREMENT OBLIGATIONS (Tables)
9 Months Ended
Sep. 30, 2020
Asset Retirement Obligation [Abstract] Ìý
Summary Of Asset Retirement Obligations The following is a summary of our asset retirement obligations:
(In Millions)
September 30,
2020
December 31,
2019
Asset retirement obligations1
$ 186.4Ìý $ 165.3Ìý
Less current portion 4.4Ìý 2.1Ìý
Long-term asset retirement obligations $ 182.0Ìý $ 163.2Ìý
1 Includes $33.7 million and $22.0 million related to our active operations as of SeptemberÌý30, 2020 and DecemberÌý31, 2019, respectively.
Schedule of Change in Asset Retirement Obligation The following is a roll forward of our asset retirement obligation liability:
(In Millions)
2020 2019
Asset retirement obligation as of January 1 $ 165.3Ìý $ 172.4Ìý
Increase from AK Steel acquisition 16.7Ìý —Ìý
Accretion expense 7.8Ìý 7.6Ìý
Remediation payments (3.4) (0.5)
Asset retirement obligation as of September 30 $ 186.4Ìý $ 179.5Ìý