v3.25.2
Segment Information - Revenue, Properties and Outsourcing Assets by Geographic Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 483.3 $ 478.2 $ 915.4 $ 966.0
United States        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues 195.5 204.4 381.4 416.7
United Kingdom        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues 59.5 48.3 114.6 115.3
Other foreign        
Revenues from External Customers and Long-Lived Assets [Line Items]        
Revenues $ 228.3 $ 225.5 $ 419.4 $ 434.0