Property and Equipment, Net (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Land	$ 15,662	$ 15,454
Buildings and improvements	49,870	44,313
Machinery and equipment	137,555	127,934
Furniture and equipment	21,749	24,187
Construction in progress	12,238	13,196
Property, Plant and Equipment, Gross, Total	237,074	225,084
Less accumulated depreciation	135,484	128,533
Total	101,590	96,551
Depreciation expense	$ 13,300	$ 15,700	$ 15,300
Buildings and Improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful life	5 years
Buildings and Improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful life	40 years
Machinery and Equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life	2 years
Machinery and Equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life	20 years
Furniture and Fixtures | Minimum
Property, Plant and Equipment [Line Items]
Useful life	2 years
Furniture and Fixtures | Maximum
Property, Plant and Equipment [Line Items]
Useful life	10 years