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]  
Summary Of Mine Closure Obligations
The following is a summary of our environmental and mine closure obligations:
 
(In Millions)
 
September 30,
2019
 
December 31,
2018
Environmental
$
2.1

 
$
2.5

Mine closure1
179.5

 
172.4

Total environmental and mine closure obligations
181.6

 
174.9

Less current portion
2.5

 
2.9

Long-term environmental and mine closure obligations
$
179.1

 
$
172.0

 
 
 
 
1 Includes 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:
 
(In Millions)
 
Nine Months Ended
September 30, 2019
 
Year Ended
December 31, 2018
Asset retirement obligation at beginning of period
$
172.4

 
$
168.4

Accretion expense
7.6

 
9.5

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

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

 
$
172.4