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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS (Tables)

v3.20.1
ASSET RETIREMENT OBLIGATIONS (Tables)
3 Months Ended
Mar. 31, 2020
Environmental Remediation Obligations [Abstract] Ìý
Summary Of Asset Retirement Obligations
The following is a summary of our asset retirement obligations:
Ìý
(In Millions)
Ìý
MarchÌý31,
2020
Ìý
DecemberÌý31,
2019
Asset retirement obligations1
$
181.4

Ìý
$
165.3

Less current portion
2.2

Ìý
2.1

Long-term asset retirement obligations
$
179.2

Ìý
$
163.2


1 Includes $32.5 million and $22.0 million related to our active operations as of March 31, 2020 and December 31, 2019, respectively.
[1]
Schedule of Change in Asset Retirement Obligation
The following is a roll forward of our asset retirement obligation liability:
Ìý
(In Millions)
Ìý
MarchÌý31,
2020
Ìý
DecemberÌý31,
2019
Asset retirement obligation at beginning of period
$
165.3

Ìý
$
172.4

Increase from AK Steel acquisition
13.9

Ìý
—

Accretion expense
2.6

Ìý
10.1

Remediation payments
(0.4
)
Ìý
(0.8
)
Revision in estimated cash flows
—

Ìý
(16.4
)
Asset retirement obligation at end of period
$
181.4

Ìý
$
165.3


[1]
1 Includes $32.5 million and $22.0 million related to our active operations as of March 31, 2020 and December 31, 2019, respectively.