Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Details)

v3.19.3
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Indefinite-lived Intangible Assets            
Accumulated goodwill impairment losses $ 46.6     $ 46.6   $ 46.6
Amortization of expense of intangible assets 28.1   $ 27.8 84.9 $ 84.7  
Tradenames            
Indefinite-lived Intangible Assets            
Finite lived intangible asset useful life   15 years        
Tradenames            
Indefinite-lived Intangible Assets            
Indefinite lived intangible assets $ 104.0     $ 104.0   $ 150.0