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Consolidated Statements of Changes in Equity (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of Stockholders' Equity [Abstract] |  |  |
(Gain) loss associated with pensions | $ 3.1 | $ (3.6) | $ (0.2)
Share of affiliated comprehensive (income) loss | $ 3.3 | $ 24.3 | $ (1.6)

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