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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Net unrealized gain (loss) on interest rate risk management activities, net of tax:        
Unrealized gain (loss) arising during the period, tax (benefit) provision $ 3.4 $ 1.5 $ (5.1) $ 11.2
Tax provision of reclassification adjustment 0.6 0.7 1.3 0.9
Reclassification of de-designated interest rate swaps net of tax benefit (provision) $ 0.7 $ 0.0 $ 0.7 $ 0.0