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Net Income Per Common Share Computations | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Net Income Per Common Share Computations | 16. NET INCOME PER COMMON SHARE COMPUTATIONS The following is a reconciliation of the numerator and denominator of the net income per common share computations:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions, except per share data) | 2023 |  | 2022 |  | 2023 |  | 2022
Numerator for basic and diluted net income per common share: |  |  |  |  |  |  |
Net income | $ | 61.0 |  |  | $ | 57.0 |  |  | $ | 359.7 |  |  | $ | 438.4 |
Denominator for net income per common share: |  |  |  |  |  |  |
Basic | 75.2 |  |  | 75.6 |  |  | 75.3 |  |  | 76.1 |
Plus dilutive effect of stock awards | 1.9 |  |  | 1.1 |  |  | 1.4 |  |  | 1.1 |
Diluted | 77.1 |  |  | 76.7 |  |  | 76.7 |  |  | 77.2 |
Net income per common share data: |  |  |  |  |  |  |
Basic net income | $ | 0.81 |  |  | $ | 0.75 |  |  | $ | 4.78 |  |  | $ | 5.76 |
Diluted net income | $ | 0.79 |  |  | $ | 0.74 |  |  | $ | 4.69 |  |  | $ | 5.68 |
All share and per-share amounts have been retroactively adjusted to reflect the effects of the Stock Split. Refer to Note 8, Shareholders' Equity for further information on the Stock Split.

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