Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Details)

v3.10.0.1
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Finite-Lived Intangible Assets        
Finite-Lived Intangible Assets [Line Items]        
Amortization $ 15.5 $ 7.1 $ 44.0 $ 19.7