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Net Income Per Common Share Computations | 6 Months Ended
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Jun. 30, 2023
Earnings Per Share [Abstract] |
Net Income Per Common Share Computations | 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 June 30, |  | Six Months Ended June 30,
(in millions, except per share data) | 2023 |  | 2022 |  | 2023 |  | 2022
Numerator for basic and diluted net income per common share: |  |  |  |  |  |  |
Net income | $ | 143.0 |  |  | $ | 339.3 |  |  | $ | 298.7 |  |  | $ | 381.4 |
Denominator for net income per common share: |  |  |  |  |  |  |
Basic | 75.3 |  |  | 76.2 |  |  | 75.3 |  |  | 76.4 |
Plus dilutive effect of stock awards | 1.6 |  |  | 1.0 |  |  | 1.2 |  |  | 1.0 |
Diluted | 76.9 |  |  | 77.2 |  |  | 76.5 |  |  | 77.4 |
Net income per common share data: |  |  |  |  |  |  |
Basic net income | $ | 1.90 |  |  | $ | 4.45 |  |  | $ | 3.97 |  |  | $ | 4.99 |
Diluted net income | $ | 1.86 |  |  | $ | 4.39 |  |  | $ | 3.90 |  |  | $ | 4.92 |
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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