XML 80 R40.htm IDEA: XBRL DOCUMENT v3.20.1
Goodwill - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 27, 2020
Mar. 29, 2019
Dec. 31, 2019
Goodwill [Line Items]      
Impairment of goodwill $ 85.3 $ 0.0  
Goodwill 8,271.1   $ 8,399.3
Telematics Reporting Unit      
Goodwill [Line Items]      
Reporting unit, percentage of fair value in excess of carrying amount     5.00%
Impairment of goodwill 85.3    
Goodwill $ 235.9