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STATEMENTS OF CONSOLIDATED COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statement Of Income And Comprehensive Income [Abstract] |  |  |
Net (loss) income | $ (18.5) | $ 28.8 | $ 62.0
Other comprehensive (loss) income, net of tax |  |  |
Defined benefit pension plan and Salaried VEBA | (1.6) | 13.4 | 2.4
Available for sale securities |  | (0.3) |
Cash flow hedges | 16.6 | 6.7 | 7.8
Foreign currency translation |  | 0.1 |
Other comprehensive income, net of tax | 15.0 | 19.9 | 10.2
Comprehensive (loss) income | $ (3.5) | $ 48.7 | $ 72.2

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