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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Other comprehensive income (loss):    
Defined benefit plans, tax $ 0.4 $ 0.3
Cash flow hedges, tax expense $ 0.3 $ (0.3)