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Investment in Non-Consolidated Joint Venture - Additional Information (Detail) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Schedule of Equity Method Investments [Line Items]          
Net sales $ 154,824,000 $ 125,632,000 $ 483,425,000 $ 334,840,000  
Net income $ 4,630,000 $ (3,840,000) $ 17,584,000 $ 6,599,000  
Joint Venture [Member]          
Schedule of Equity Method Investments [Line Items]          
Acquired investment in joint venture 49.00%   49.00%    
Autocam [Member]          
Schedule of Equity Method Investments [Line Items]          
Dividend declared by joint venture $ 2,868,000   $ 2,868,000    
Net sales 42,000   106,000    
Amount due from joint venture $ 202,000   202,000    
Autocam [Member] | Joint Venture [Member]          
Schedule of Equity Method Investments [Line Items]          
Net sales     35,833,000   $ 50,466,000
Net income     $ 7,228,000   $ 9,004,000