XML 100 R33.htm IDEA: XBRL DOCUMENT v3.19.3
Acquisition of Shoal Creek Mine (Tables)
 9 Months Ended
Sep. 30, 2019
Acquisition of Shoal Creek Mine [Abstract]  
Schedule of Business Acquisitions, by Acquisition [Table Text Block] The following table summarizes the preliminary estimated fair values of assets acquired and liabilities assumed that were recognized at the acquisition and control date as well as fair value adjustments made through September 30, 2019:
 
Preliminary Allocations
 
Adjustments
 
Final Allocations
 
(Dollars in millions)
Inventories
$
39.7

 
$
0.2

 
$
39.9

Property, plant, equipment and mine development
364.7

 
0.6

 
365.3

Current liabilities
(4.1
)
 
—

 
(4.1
)
Asset retirement obligations
(10.5
)
 
(0.8
)
 
(11.3
)
Total purchase price
$
389.8

 
$
—

 
$
389.8
Business Acquisition, Pro Forma Information [Table Text Block] The unaudited pro forma financial information does not necessarily reflect the results of operations that would have occurred had the operations of the Company and Shoal Creek Mine been combined during those periods or that may be attained in the future.
 
Three Months Ended September 30, 2018
 
Nine Months Ended September 30, 2018
 
(Dollars in millions, except per share data)
Revenues
$
1,560.2

 
$
4,517.9

Income from continuing operations, net of income taxes
139.3

 
549.0

Basic earnings per share from continuing operations
$
0.64

 
$
2.43

Diluted earnings per share from continuing operations
$
0.63

 
$
2.40