Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical)

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Pension and post-retirement plans:        
Tax expense $ 0.0 $ 0.0 $ 0.5 $ 0.0
Tax expense, reclassification 0.0 0.0 0.0 0.0
Derivative financial instruments:        
Tax expense 0.6 0.0 0.6 0.0
Tax expense, reclassification $ 0.0 $ 0.0 $ 0.0 $ 1.4