Annual report pursuant to Section 13 and 15(d)

Segment Information - Additional Information (Detail)

v3.6.0.2
Segment Information - Additional Information (Detail)
$ in Millions
 12 Months Ended
Dec. 31, 2016
USD ($)
Segment
Country
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Segment Reporting Information [Line Items]        
Number of countries in which the Company sells products | Country 94      
Number of reportable segments | Segment 2      
Goodwill allocated to the Company's Segment $ 89.9 $ 91.8    
Cash and cash equivalents 844.0 889.8 $ 645.4 $ 973.0
Total amount of cash held by foreign subsidiaries maintained or invested in U.S. dollars 28.2 19.1    
Primary Reporting Segment [Member]        
Segment Reporting Information [Line Items]        
Goodwill allocated to the Company's Segment 86.8 88.5    
China [Member]        
Segment Reporting Information [Line Items]        
Goodwill allocated to the Company's Segment 3.1 3.3    
Foreign countries [Member]        
Segment Reporting Information [Line Items]        
Cash and cash equivalents 316.2 310.5    
United States [Member]        
Segment Reporting Information [Line Items]        
Cash and cash equivalents $ 527.8 $ 579.3