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Unaudited Condensed Consolidated Statements of Comprehensive Income - 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 (loss) income | $ (78.1) | $ 79.8 | $ 91.3 | $ 403.2
Postretirement plans and workers’ compensation obligations (net of $0.0 tax provisions in each period) | (2.2) | 0.0 | (6.6) | 0.0
Foreign currency translation adjustment | (1.3) | (1.5) | (1.7) | (4.5)
Other comprehensive loss, net of income taxes | (3.5) | (1.5) | (8.3) | (4.5)
Comprehensive (loss) income | (81.6) | 78.3 | 83.0 | 398.7
Less: Series A Convertible Preferred Stock dividends | 0.0 | 0.0 | 0.0 | 102.5
Less: Net income attributable to noncontrolling interests | 4.7 | 8.3 | 12.8 | 8.9
Comprehensive (loss) income attributable to common stockholders | $ (86.3) | $ 70.0 | $ 70.2 | $ 287.3

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