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Earnings per Share (Notes) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Earnings per Share | Basic and diluted earnings per share were computed as follows:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in millions, except share and per share amounts) | 2021 |  | 2020 |  | 2021 |  | 2020
Earnings (loss) from continuing operations | $ | 17.4 |  |  | $ | (19.5) |  |  | $ | 29.9 |  |  | $ | (32.3) |
Earnings from discontinued operations, net | 0.2 |  |  | — |  |  | 0.2 |  |  | 3.7 |
Net earnings (loss) | $ | 17.6 |  |  | $ | (19.5) |  |  | $ | 30.1 |  |  | $ | (28.6) |
Basic earnings (loss) per common share: |  |  |  |  |  |  |
Earnings (loss) from continuing operations | $ | 0.19 |  |  | $ | (0.21) |  |  | $ | 0.32 |  |  | $ | (0.35) |
Earnings from discontinued operations, net | — |  |  | — |  |  | 0.01 |  |  | 0.04 |
Net earnings (loss) | $ | 0.19 |  |  | $ | (0.21) |  |  | $ | 0.33 |  |  | $ | (0.31) |
Weighted-average shares outstanding | 92,493,220 |  |  | 91,589,156 |  |  | 92,379,097 |  |  | 91,721,440 |
Diluted earnings (loss) per common share: |  |  |  |  |  |  |
Earnings (loss) from continuing operations | $ | 0.18 |  |  | $ | (0.21) |  |  | $ | 0.31 |  |  | $ | (0.35) |
Earnings from discontinued operations, net | 0.01 |  |  | — |  |  | 0.01 |  |  | 0.04 |
Net earnings (loss) | $ | 0.19 |  |  | $ | (0.21) |  |  | $ | 0.32 |  |  | $ | (0.31) |
Diluted weighted-average shares outstanding | 94,905,503 |  |  | 91,589,156 |  |  | 95,048,241 |  |  | 91,721,440 |
As the Company intends to settle the principal amount of the Notes in cash, the treasury stock method was used to calculate any potential dilutive effect of the conversion option on diluted earnings per share, if applicable. For the three and six months ended June 30, 2021, the weighted-average number of anti-dilutive potential common shares excluded from the diluted earnings per share calculation above was 583,650 and 1,391,641, respectively. For the three and six months ended June 30, 2020, the weighted-average number of anti-dilutive potential common shares excluded from the diluted earnings per share calculation above was 6,157,127 and 5,176,141, respectively.

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