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Stock-Based Compensation | 6 Months Ended
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Jun. 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 six months ended June 30, 2014 and 2013 related to the Company's performance units and restricted stock.
| Three Months Ended | Six Months Ended
| June 30, | June 30,
(In millions) | 2014 | 2013 | 2014 | 2013
Performance units |  |  |  |
Total shareholder return | $ | 1.9 |  | $ | 1.9 |  | $ | 3.9 |  | $ | 3.9 |
Earnings per share | 0.4 |  | 0.7 |  | 2.1 |  | 1.3 |
Total performance units | 2.3 |  | 2.6 |  | 6.0 |  | 5.2 |
Restricted stock | — |  | 0.1 |  | 0.1 |  | 0.2 |
Total compensation expense | 2.3 |  | 2.7 |  | 6.1 |  | 5.4 |
Less: Amount paid by unconsolidated affiliates | 0.7 |  | 0.6 |  | 1.9 |  | 0.6 |
Net compensation expense | $ | 1.6 |  | $ | 2.1 |  | $ | 4.2 |  | $ | 4.8 |
Income tax benefit | $ | 0.6 |  | $ | 1.0 |  | $ | 1.6 |  | $ | 2.1 |
The Company has issued new shares to satisfy restricted stock grants and payouts of earned performance units. Pursuant to the Company's stock incentive plans related to restricted stock grants and payouts of earned performance units, there were 548 shares forfeited during the three months ended June 30, 2014 and 494,637 shares of new common stock issued, net of forfeitures during the six months ended June 30, 2014. During the three and six months ended June 30, 2014, there were 914 shares and 2,325 shares of restricted stock, respectively, returned to the Company to satisfy tax liabilities.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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