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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Amortization of Intangible Assets $ 0.3 $ 0.3
2017 0.8  
2018 1.0  
2019 1.0  
2020 0.9  
2021 $ 0.9  
Remaining amortization period 16 years 9 months 18 days  
Patents [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 8 years 9 months 18 days  
Land Use Rights [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 57 years 9 months 18 days  
Trademarks [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 9 years 7 months 6 days  
Technology [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 14 years 7 months 6 days  
Customer Relationships [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 12 years 10 months 24 days