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Earnings per Share | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Earnings per Share | Earnings per Share The following table reconciles the weighted average common shares outstanding used in the calculation of basic earnings per share (“EPS”) to the weighted average common shares outstanding used in the calculation of diluted EPS for the three and nine months ended September 30, 2019 and 2018:
| For the three months ended September 30, |  | For the nine months ended September 30,
(in millions) | 2019 |  | 2018 |  | 2019 |  | 2018
Determination of shares: |  |  |  |  |  |  |
Weighted average common shares outstanding | 115.2 |  |  | 91.9 |  |  | 115.8 |  |  | 91.5 |
Assumed conversion of dilutive employee stock-based awards | 1.4 |  |  | 3.2 |  |  | 1.7 |  |  | 3.3 |
Assumed conversion of restricted stock | 0.1 |  |  | 0.2 |  |  | 0.2 |  |  | 0.2 |
Diluted weighted average common shares outstanding | 116.7 |  |  | 95.3 |  |  | 117.7 |  |  | 95.0 |
Options to purchase 2,519,816 and 2,139,874 shares and 660,436 and 655,952 shares were outstanding during the three and nine months ended September 30, 2019 and 2018, respectively, but were not included in the computation of diluted EPS because they were antidilutive. The following table presents the calculation of basic and diluted EPS for the Company’s common stock for the three and nine months ended September 30, 2019 and 2018:
| For the three months ended September 30, |  | For the nine months ended September 30,
(in millions, except per share data) | 2019 |  | 2018 |  | 2019 |  | 2018
Calculation of basic EPS: |  |  |  |  |  |  |
Net income applicable to common stock | $ | 43.9 |  |  | $ | 36.1 |  |  | $ | 136.4 |  |  | $ | 135.5 |
Weighted average common shares outstanding | 115.2 |  |  | 91.9 |  |  | 115.8 |  |  | 91.5 |
Basic EPS | $ | 0.38 |  |  | $ | 0.39 |  |  | $ | 1.18 |  |  | $ | 1.48 |
Calculation of diluted EPS: |  |  |  |  |  |  |
Net income applicable to common stock | $ | 43.9 |  |  | $ | 36.1 |  |  | $ | 136.4 |  |  | $ | 135.5 |
Diluted weighted average common shares outstanding | 116.7 |  |  | 95.3 |  |  | 117.7 |  |  | 95.0 |
Diluted EPS | $ | 0.38 |  |  | $ | 0.38 |  |  | $ | 1.16 |  |  | $ | 1.43 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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