Annual report pursuant to Section 13 and 15(d)

Segment Information - Additional Information (Detail)

v3.19.3.a.u2
Segment Information - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
Segment
Country
Dec. 31, 2018
USD ($)
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 $ 91.5 $ 92.9
Primary Reporting Segment [Member]    
Segment Reporting Information [Line Items]    
Goodwill allocated to the Company's Segment 88.4 89.8
China [Member]    
Segment Reporting Information [Line Items]    
Goodwill allocated to the Company's Segment $ 3.1 $ 3.1