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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Statement of Comprehensive Income [Abstract] |  |
Net income (loss) attributable to White Mountains’s common shareholders | $ 236.4 | $ 179.5
Other comprehensive income, net of tax: |  |
Other comprehensive income (loss), net of tax | (0.3) | 1.2
Comprehensive income (loss) from discontinued operations attributable to White Mountains’s common shareholders | 236.1 | 180.7
Other comprehensive (income) loss attributable to noncontrolling interests | 0.1 | (0.4)
Total comprehensive income (loss) | $ 236.2 | $ 180.3
Basic earnings (loss) per share |  |
Basic and diluted earnings (losses) per share (in usd per share) | $ 92.33 | $ 69.83
Discontinued operations (in usd per share) | 0 | 0
Total consolidated operations (in usd per share) | 92.33 | 69.83
Diluted earnings (loss) per share |  |
Continuing operations (in usd per share) | 92.33 | 69.83
Discontinued operations (in usd per share) | 0 | 0
Total consolidated operations (in usd per share) | 92.33 | 69.83
Dividends declared per White Mountains’s common share (in usd per share) | 1.00 | 1.00
Dividends paid per White Mountains’s common share (in usd per share) | $ 1.00 | $ 1.00

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