XML 206 R190.htm IDEA: XBRL DOCUMENT v3.24.0.1
Revenues from Contracts with Customers - Contract Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Contract costs      
Contract cost asset $ 219.2 $ 204.9  
Practical expedient, incremental costs of obtaining a contract true    
Amortization expense of contract cost asset $ 38.3 35.5 $ 32.4
Impairment loss for contract cost asset $ 0.0 $ 0.0 $ 0.0