Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical)

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Statement of Comprehensive Income [Abstract]      
Unrealized gain (loss) on available-for-sale securities, (provision) benefit $ 2.2 $ 0.4 $ (1.1)
Unrealized gain (loss) on interest rate swaps tax (provision) benefit $ (13.2) $ (0.8) $ 1.0