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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Amortization of Intangible Assets $ 0.3 $ 0.4
2016 0.7  
2017 1.0  
2018 1.0  
2019 0.9  
2020 $ 0.9  
Remaining amortization period 20 years 6 months  
Patents [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 9 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 58 years 10 months 24 days  
Trademark [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 10 years 1 month 6 days  
Technology [Member]    
Schedule Of Acquired Finite And Indefinite Lived Intangible Asset By Major Class [Line Items]    
Remaining amortization period 15 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 13 years 10 months 24 days