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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME      
Net income $ 770.5 $ 14.4 $ 36.4
Unrealized gain on derivative instrument, net of tax 6.5 9.0 (9.0)
Comprehensive income $ 777.0 $ 23.4 $ 27.4