XML 78 R42.htm IDEA: XBRL DOCUMENT v3.24.0.1
Summary of Significant Accounting Policies Summary of Significant Accounting Details, Noncontrolling Interest (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Accounting Policies [Abstract]        
Redeemable Noncontrolling Interest $ 0.0 $ 7.0 $ 7.8 $ 7.8
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests (6.8) (0.3) 0.1  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest $ (0.2) (0.3) $ (0.1)  
Payments to Noncontrolling Interests   $ (0.2)