Income Per Share The following table shows how we reconcile our net income and the number of shares used in computing basic and diluted net income per share:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three months ended September 30, | | Nine months ended September 30, | (in millions, except share and per share amounts) | | 2023 | | 2022 | | 2023 | | 2022 | Basic net income per share: | | | | | | | | | Consolidated net income (loss) | | $ | 39.1 | | | $ | (9.0) | | | $ | 67.6 | | | $ | 67.2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Weighted average common shares outstanding | | 42.7 | | | 42.5 | | | 42.6 | | | 42.7 | | | | | | | | | | | Basic net income (loss) per share | | $ | 0.92 | | | $ | (0.21) | | | $ | 1.59 | | | $ | 1.57 | | | | | | | | | | | Diluted net income (loss) per share: | | | | | | | | | Consolidated net income (loss) | | $ | 39.1 | | | $ | (9.0) | | | $ | 67.6 | | | $ | 67.2 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Weighted average common shares outstanding | | 42.7 | | | 42.5 | | | 42.6 | | | 42.7 | | Net effect of dilutive stock options and restricted stock units | | 0.2 | | | 0.2 | | | 0.2 | | | 0.3 | | Weighted average common shares outstanding for computing diluted income per share | | 42.9 | | | 42.7 | | | 42.8 | | | 43.0 | | | | | | | | | | | Diluted net income (loss) per share | | $ | 0.91 | | | $ | (0.21) | | | $ | 1.58 | | | $ | 1.56 | |
During the periods presented, the number of anti-dilutive restricted stock units, performance share awards, or market stock units excluded from our calculation of diluted earnings per share was immaterial.
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