Property and Equipment, Net - Summary of Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Minimum Building Improvements	Dec. 31, 2013 Minimum Machinery and Equipment	Dec. 31, 2013 Minimum Furniture and Fixtures	Dec. 31, 2013 Maximum Building Improvements	Dec. 31, 2013 Maximum Machinery and Equipment	Dec. 31, 2013 Maximum Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Land	$ 14,669	$ 14,643
Buildings and improvements	44,971	45,816
Machinery and equipment	128,344	121,033
Furniture and equipment	26,088	26,181
Construction in progress	9,085	7,142
Property, Plant and Equipment, Gross, Total	223,157	214,815
Less accumulated depreciation	127,067	116,432
Total	$ 96,090	$ 98,383
Property, plant and equipment, useful life			5 years	2 years	2 years	40 years	20 years	10 years