v3.22.2.2
Contract Revenues - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Global Lifestyle          
Disaggregation of Revenue [Line Items]          
Disaggregated fee revenues $ 257.9 $ 264.0 $ 825.5 $ 730.1  
Global Housing          
Disaggregation of Revenue [Line Items]          
Disaggregated fee revenues 19.8 22.4 63.4 71.8  
Service contracts and sales          
Disaggregation of Revenue [Line Items]          
Receivables from contracts with customers 265.9   265.9   $ 313.7
Unearned revenue from contracts with customers 173.7   173.7   191.5
Contract with customer, liability, unearned revenue 20.0 $ 12.5 69.0 $ 47.6  
Deferred upfront commissions and other costs $ 62.3   $ 62.3   $ 93.0