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EARNINGS PER SHARE (Tables)
 3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table presents the calculation of basic and diluted earnings per share: 
 
 
Three Months Ended March 31,
(Dollars and shares in millions, except per share data)
 
2016
 
2015
Basic earnings per share:
 
 

 
 

Weighted-average shares outstanding
 
186.6

 
202.4

Net earnings attributable to shareholders
 
$
72.7

 
$
207.4

Dividends and undistributed earnings attributable to unvested shares
 
(0.3
)
 
(0.4
)
Net earnings attributable to shareholders used for basic earnings per share calculation
 
$
72.4

 
$
207.0

Net earnings attributable to shareholders per share
 
$
0.39

 
$
1.02

Diluted earnings per share:
 
 

 
 

Weighted-average shares outstanding
 
186.6

 
202.4

Incremental shares outstanding assuming the exercise/vesting of dilutive stock options/performance shares
 
0.1

 
0.5

Weighted-average shares — diluted
 
186.7

 
202.9

Net earnings attributable to shareholders
 
$
72.7

 
$
207.4

Dividends and undistributed earnings attributable to unvested shares
 
(0.3
)
 
(0.4
)
Net earnings attributable to shareholders used for diluted earnings per share calculation
 
$
72.4

 
$
207.0

Net earnings attributable to shareholders per share
 
$
0.39

 
$
1.02