Quarterly report pursuant to Section 13 or 15(d)

PROPERTY, PLANT AND EQUIPMENT (Tables)

v3.5.0.2
PROPERTY, PLANT AND EQUIPMENT (Tables)
9 Months Ended
Sep. 30, 2016
Property, Plant and Equipment [Abstract]  
Value Of Each Of The Major Classes Of Consolidated Depreciable Assets
The following table indicates the value of each of the major classes of our consolidated depreciable assets as of September 30, 2016 and December 31, 2015:
 
(In Millions)
 
September 30,
2016
 
December 31,
2015
Land rights and mineral rights
$
500.5

 
$
500.5

Office and information technology
63.6

 
71.0

Buildings
61.1

 
60.4

Mining equipment
598.7

 
594.0

Processing equipment
541.2

 
516.8

Electric power facilities
49.6

 
46.4

Land improvements
24.8

 
24.8

Asset retirement obligation
18.3

 
87.9

Other
28.4

 
28.2

Construction in-progress
37.9

 
40.3

 
1,924.1

 
1,970.3

Allowance for depreciation and depletion
(934.0
)
 
(911.3
)
 
$
990.1

 
$
1,059.0