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Quarterly report pursuant to Section 13 or 15(d)

ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)

v3.19.3
ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)
9 Months Ended
Sep. 30, 2019
Environmental Remediation Obligations [Abstract] Ìý
Summary Of Mine Closure Obligations
The following is a summary of our environmental and mine closure obligations:
Ìý
(In Millions)
Ìý
SeptemberÌý30,
2019
Ìý
DecemberÌý31,
2018
Environmental
$
2.1

Ìý
$
2.5

Mine closure1
179.5

Ìý
172.4

Total environmental and mine closure obligations
181.6

Ìý
174.9

Less current portion
2.5

Ìý
2.9

Long-term environmental and mine closure obligations
$
179.1

Ìý
$
172.0

Ìý
Ìý
Ìý
Ìý
1ÌýIncludes our active operating mines, our indefinitely idled Empire mine and a closed mine formerly operating as LTV Steel Mining Company.

Asset Retirement Obligation Disclosure
The following is a roll forward of our mine closure obligation liability:
Ìý
(In Millions)
Ìý
Nine Months Ended
September 30, 2019
Ìý
Year Ended
December 31, 2018
Asset retirement obligation at beginning of period
$
172.4

Ìý
$
168.4

Accretion expense
7.6

Ìý
9.5

Remediation payments
(0.5
)
Ìý
(1.0
)
Revision in estimated cash flows
—

Ìý
(4.5
)
Asset retirement obligation at end of period
$
179.5

Ìý
$
172.4