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Interim Financial Statements - Additional Information (Detail)
$ in Millions
1 Months Ended 9 Months Ended
Oct. 31, 2017
Facility
Apr. 30, 2017
USD ($)
Sep. 30, 2017
USD ($)
Segment
Facility
Interim Reporting [Line Items]      
Number of reportable segments | Segment     3
Number of manufacturing facilities | Facility     33
Cash paid for debt prepayment | $   $ 31.6  
Subsequent Event [Member] | North America [Member]      
Interim Reporting [Line Items]      
Number of manufacturing facilities | Facility 3    
Wuxi Weifu Autocam Precision Machinery Company, Ltd. [Member]      
Interim Reporting [Line Items]      
Investment in joint venture     49.00%
ASU 2016-09 [Member]      
Interim Reporting [Line Items]      
Reclassification of tax benefits from deferred taxes to retained earnings | $     $ 0.7