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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income (loss) attributable to White Mountains’s common shareholders | $ 48.7 | $ 40.8 | $ 353.6 | $ (3.7)
Other comprehensive loss, net of tax | (2.4) | (0.8) | (5.8) | (1.7)
Comprehensive income (loss) | 46.3 | 40.0 | 347.8 | (5.4)
Comprehensive loss attributable to non-controlling interests | 0.1 | 0.2 | 0.3 | 0.2
Comprehensive income (loss) attributable to White Mountains’s common shareholders | $ 46.4 | $ 40.2 | $ 348.1 | $ (5.2)
Basic earnings (loss) per share |  |  |  |
Continuing operations (in usd per share) | $ 15.01 | $ 18.27 | $ 110.67 | $ 3.90
Discontinued operations (in usd per share) | 0.28 | (5.44) | 0.50 | (4.98)
Total consolidated operations (in usd per share) | 15.29 | 12.83 | 111.17 | (1.08)
Diluted earnings (loss) per share |  |  |  |
Continuing operations (in usd per share) | 15.01 | 18.27 | 110.67 | 3.90
Discontinued operations (in usd per share) | 0.28 | (5.44) | 0.50 | (4.98)
Total consolidated operations (in usd per share) | 15.29 | 12.83 | 111.17 | (1.08)
Dividends declared per White Mountains’s common share | $ 0 | $ 0 | $ 1.00 | $ 1.00

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