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v3.25.2

Shareholders' Equity - Reconciliation of Weighted Average Number of Shares (Detail) - shares shares in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted average number of common shares outstanding (in shares) | 56.2 | 56.1 | 56.2 | 56.3
Director Plan and deferred stock units (in shares) | 0.3 | 0.3 | 0.3 | 0.2
ESOP (in shares) | 0.5 | 0.2 | 0.4 | 0.2
Common shares outstanding - basic (in shares) | 57.0 | 56.6 | 56.9 | 56.7
Common and potential common shares outstanding - diluted (in shares) | 57.0 | 56.9 | 56.9 | 57.0
Restricted stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Dilutive effect of stock (in shares) | 0.0 | 0.2 | 0.0 | 0.2
Stock options award |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Dilutive effect of stock (in shares) | 0.0 | 0.1 | 0.0 | 0.1

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