Annual report pursuant to Section 13 and 15(d)

Employee Compensation Plans - Additional Information (Detail)

v3.10.0.1
Employee Compensation Plans - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Compensation Related Costs [Abstract]      
Contribution made by company to its profit sharing plan $ 5.7 $ 4.8 $ 4.8
Expenses relating to international deferred compensation plans $ 6.6 6.4 5.8
Percentage of matching contribution related to the Management Deferred Compensation Plan and the Senior Executive Deferred Compensation Plan 3.50%    
Deferred compensation plans expense (benefit) excluding participant contributions $ (2.7) 6.7 $ 3.6
Total long-term deferred compensation liability 51.3 58.1  
Value of the assets in the rabbi trust $ 31.2 $ 33.6