Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Additional Information (Details)

v3.10.0.1
Employee Benefit Plans - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Compensation And Retirement Disclosure [Abstract]      
Company contributions $ 59.8 $ 35.9 $ 28.9
Deferred compensation plan amounts owed, non current 60.8 59.5  
Deferred compensation plan amounts owed $ 62.9 $ 61.5