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Stock-Based Compensation
 9 Months Ended
Sep. 30, 2014
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, 2014 and 2013 related to the Company's performance units, restricted stock and restricted stock units.
 
Three Months Ended September 30,
Nine Months Ended September 30,
(In millions)
2014
2013
2014
2013
Performance units
 
 
 
 
Total shareholder return
$
2.0

$
2.5

$
5.9

$
6.4

Earnings per share
0.1

0.6

2.2

1.9

Total performance units
2.1

3.1

8.1

8.3

Restricted stock
—

0.1

0.1

0.3

Total compensation expense
2.1

3.2

8.2

8.6

Less: Amount paid by unconsolidated affiliates
0.6

1.4

2.5

2.0

Net compensation expense
$
1.5

$
1.8

$
5.7

$
6.6

Income tax benefit
$
0.6

$
0.7

$
2.2

$
2.6



The Company has issued new shares to satisfy restricted stock grants and payouts of earned performance units. During the nine months ended September 30, 2014, there were 494,637 shares 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 nine months ended September 30, 2014, there were 2,325 shares of restricted stock returned to the Company to satisfy tax liabilities.