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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Tax benefit (provision) of unrealized gain (loss) on interest rate swap $ 4.1    
Tax benefit (provision) of unrealized gain (loss) on interest rate swap   $ (2.1) $ (0.6)
SG&A      
Tax benefit (provision) of reclassification adjustment 0.0    
Tax benefit (provision) of reclassification adjustment   (0.2) 0.0
Interest Expense      
Tax benefit (provision) of reclassification adjustment $ 0.1    
Tax benefit (provision) of reclassification adjustment   $ 1.2 $ 4.6