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Stock-Based Compensation
 9 Months Ended
Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Stock-Based Compensation

The following table summarizes the Company's pre-tax compensation expense and related income tax benefit during the three and nine months ended September 30, 2015 and 2014 related to the Company's performance units and restricted stock.
 
Three Months Ended September 30,
Nine Months Ended September 30,
(In millions)
2015
2014
2015
2014
Performance units
 
 
 
 
Total shareholder return
$
1.9

$
2.0

$
5.7

$
5.9

Earnings per share
(0.8
)
0.1

0.3

2.2

Total performance units
1.1

2.1

6.0

8.1

Restricted stock
—

—

0.1

0.1

Total compensation expense
1.1

2.1

6.1

8.2

Less: Amount paid by unconsolidated affiliates
(0.2
)
0.6

0.3

2.5

Net compensation expense
$
1.3

$
1.5

$
5.8

$
5.7

Income tax benefit
$
0.5

$
0.6

$
2.3

$
2.2



The Company has issued new shares to satisfy restricted stock grants and payouts of earned performance units. During the three and nine months ended September 30, 2015, there were 912 shares and 81,865 shares, respectively, of new common stock issued pursuant to the Company's stock incentive plans related to restricted stock grants (net of forfeitures) and payouts of earned performance units. During the three and nine months ended September 30, 2015, there were no shares and 1,070 shares, respectively, of restricted stock returned to the Company to satisfy tax liabilities.