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EARNINGS PER SHARE | 6 Months Ended
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Jun. 30, 2023
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE
(in millions, except per share data) | Three Months Ended June 30, |  | Six Months Ended June 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Income (loss) from continuing operations | $ | 159.8 |  |  | $ | 74.1 |  |  | $ | 269.7 |  |  | $ | 126.4 |
Gain (loss) on disposition of discontinued operations – net of tax | (0.4) |  |  | — |  |  | 2.3 |  |  | (0.4) |
Net income (loss) | $ | 159.4 |  |  | $ | 74.1 |  |  | $ | 272.0 |  |  | $ | 126.0 |
Basic shares: |  |  |  |  |  |  |
Weighted average shares outstanding | 67.6 |  |  | 68.9 |  |  | 67.7 |  |  | 69.3 |
Earnings (loss) per share – basic: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 2.36 |  |  | $ | 1.08 |  |  | $ | 3.98 |  |  | $ | 1.82 |
Gain (loss) on disposition of discontinued operations – net of tax | — |  |  | — |  |  | 0.04 |  |  | — |
Net income (loss) | $ | 2.36 |  |  | $ | 1.08 |  |  | $ | 4.02 |  |  | $ | 1.82 |
Diluted shares: |  |  |  |  |  |  |
Weighted average shares outstanding – basic | 67.6 |  |  | 68.9 |  |  | 67.7 |  |  | 69.3 |
Effect of dilutive securities: |  |  |  |  |  |  |
Restricted stock awards | 0.5 |  |  | 0.4 |  |  | 0.8 |  |  | 0.8 |
Diluted weighted average shares outstanding | 68.1 |  |  | 69.3 |  |  | 68.5 |  |  | 70.1 |
Earnings (loss) per share – diluted: |  |  |  |  |  |  |
Income (loss) from continuing operations | $ | 2.35 |  |  | $ | 1.07 |  |  | $ | 3.94 |  |  | $ | 1.80 |
Gain (loss) on disposition of discontinued operations – net of tax | (0.01) |  |  | — |  |  | 0.03 |  |  | — |
Net income (loss) | $ | 2.34 |  |  | $ | 1.07 |  |  | $ | 3.97 |  |  | $ | 1.80 |
Non-vested restricted stock awards and restricted stock units (“Restricted Stock Awards”) granted by the Company are treated as potential common shares outstanding in computing diluted earnings per share using the treasury stock method. Weighted average Restricted Stock Awards of approximately 0.5 million and 0.9 million were outstanding during the three months ended June 30, 2023 and 2022, respectively, but were not included in the computation of diluted shares as the effect would be anti-dilutive or performance targets were not expected to be achieved for awards contingent upon performance. Weighted average Restricted Stock Awards of approximately 0.3 million and 0.6 million were outstanding during the six months ended June 30, 2023 and 2022, respectively, but were not included in the computation of diluted shares as the effect would be anti-dilutive or performance targets were not expected to be achieved for awards contingent upon performance.

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