v3.23.2
Stockholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Accumulated other comprehensive income        
Amounts reclassified from accumulated other comprehensive loss     $ 0.0 $ 0.0
Gains and Losses on Available-For-Sale Securities        
Accumulated other comprehensive income        
Net current-period other comprehensive loss $ 2.2 $ 3.3 7.5 18.4
Foreign Currency Items        
Accumulated other comprehensive income        
Net current-period other comprehensive loss $ 3.1 $ 7.2 $ 4.7 $ 9.0