Quarterly report pursuant to Section 13 or 15(d)

ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)

v3.8.0.1
ENVIRONMENTAL AND MINE CLOSURE OBLIGATIONS (Tables)
 9 Months Ended
Sep. 30, 2017
Environmental Remediation Obligations [Abstract]  
Summary Of Mine Closure Obligations
The following is a summary of the obligations as of September 30, 2017 and December 31, 2016:
 
(In Millions)
 
September 30,
2017
 
December 31,
2016
Environmental
$
2.9

 
$
2.8

Mine closure
 
 
 
U.S. Iron Ore1
195.0

 
187.8

Asia Pacific Iron Ore
18.3

 
16.2

Total mine closure
213.3

 
204.0

Total environmental and mine closure obligations
216.2

 
206.8

Less current portion
10.8

 
12.9

Long-term environmental and mine closure obligations
$
205.4

 
$
193.9

 
 
 
 
1 U.S. Iron Ore includes our active operating mines, our indefinitely idled Empire mine and a closed mine formerly operating as LTVSMC.
Asset Retirement Obligation Disclosure
The following represents a roll forward of our asset retirement obligation liability for the nine months ended September 30, 2017 and for the year ended December 31, 2016:
 
(In Millions)
 
September 30,
2017
 
December 31,
2016
Asset retirement obligation at beginning of period
$
204.0

 
$
230.4

Accretion expense
11.1

 
14.0

Remediation payments
(3.2
)
 
(2.2
)
Exchange rate changes
1.4

 
(0.2
)
Revision in estimated cash flows
—

 
(38.0
)
Asset retirement obligation at end of period
$
213.3

 
$
204.0