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Stock-Based Compensation | 3 Months Ended
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Mar. 31, 2020
Share-based Payment Arrangement [Abstract] |
Share-based Payment Arrangement [Text Block] | 6.Stock-Based Compensation The following table summarizes the Company's pre-tax compensation expense and related income tax benefit during the three months ended March 31, 2020 and 2019 related to the Company's performance units and restricted stock units.
|  |  | Three Months Ended March 31, |
(In millions) |  |  | 2020 | 2019
Performance units: |  |  |  |
Total shareholder return |  |  | $ | 1.7 |  | $ | 2.2 |
Earnings per share |  |  | 0.2 |  | 0.5 |
Total performance units |  |  | 1.9 |  | 2.7 |
Restricted stock units |  |  | 0.1 |  | 0.3 |
Total compensation expense |  |  | $ | 2.0 |  | $ | 3.0 |
Income tax benefit |  |  | $ | 0.5 |  | $ | 0.8 |
During the three months ended March 31, 2020, the Company purchased 255,000 shares of its common stock at an average cost of $38.04 per share on the open market, and 247,073 of these shares were used during the same period to satisfy payouts of earned performance units and restricted stock unit grants pursuant to the Company's Stock Incentive Plan. The Company records treasury stock purchases at cost. Treasury stock is presented as a reduction of stockholders' equity in the Company's 2020 Condensed Consolidated Balance Sheet. During the three months ended March 31, 2020, the Company granted 201,552 performance units (based on total shareholder return over a three-year period) and 67,193 restricted stock units (three-year cliff vesting period) at $38.03 and $43.69 fair value per share, respectively.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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