XML 92 R74.htm IDEA: XBRL DOCUMENT v3.22.0.1
Goodwill and Other Intangible Assets - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Goodwill [Line Items]      
Goodwill $ 1,871.3 $ 1,873.1 $ 1,761.6
Year to date amortization expense 75.7 72.1 $ 68.7
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]      
Amortization expense, 2022 69.8    
Amortization expense, 2023 65.4    
Amortization expense, 2024 61.4    
Amortization expense, 2025 57.3    
Amortization expense, 2026 $ 53.7    
Percent of finite lived intangible assets under amortization method 0.80    
2020 Acquisitions      
Goodwill [Line Items]      
Goodwill   $ 106.3