XML 76 R62.htm IDEA: XBRL DOCUMENT v3.20.4
Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 27, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Acquired Finite-Lived Intangible Assets [Line Items]        
Impairment of goodwill $ 85,300,000 $ 85,300,000 $ 0 $ 0
Goodwill   1,092,100,000 1,157,800,000 1,139,500,000
Total amortization expense   29,000,000.0 31,800,000 $ 30,600,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]        
2021   29,300,000    
2022   24,900,000    
2023   23,700,000    
2024   22,600,000    
2025   18,800,000    
2026 and thereafter   29,700,000    
Total   149,000,000.0 $ 168,400,000  
Telematics        
Acquired Finite-Lived Intangible Assets [Line Items]        
Percentage of fair value in excess of carrying amount (as a percent)     5.00%  
Goodwill   $ 248,400,000