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)
 3 Months Ended
Mar. 31, 2018
Environmental Remediation Obligations [Abstract]  
Summary Of Mine Closure Obligations
The following is a summary of the obligations:
 
(In Millions)
 
March 31,
2018
 
December 31,
2017
Environmental
$
3.1

 
$
2.9

Mine closure
 
 
 
U.S. Iron Ore1
170.7

 
168.4

Asia Pacific Iron Ore
28.7

 
28.8

Total mine closure
199.4

 
197.2

Total environmental and mine closure obligations
202.5

 
200.1

Less current portion
21.3

 
3.6

Long-term environmental and mine closure obligations
$
181.2

 
$
196.5

 
 
 
 
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 mine closure obligation liability for the three months ended March 31, 2018 and for the year ended December 31, 2017:
 
(In Millions)
 
March 31,
2018
 
December 31,
2017
Mine closure obligation at beginning of period
$
197.2

 
$
204.0

Accretion expense
2.7

 
14.9

Remediation payments
(0.1
)
 
(5.6
)
Exchange rate changes
(0.5
)
 
1.5

Revision in estimated cash flows
0.1

 
(17.6
)
Mine closure obligation at end of period
$
199.4

 
$
197.2