Segment Information - Revenue from External Customers and Long Lived Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 373,206	$ 370,084	$ 424,691
Property, plant and equipment, net	121,089	119,687	120,528
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	140,875	144,375	140,492
Property, plant and equipment, net	42,573	42,884	46,959
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	149,649	140,208	193,948
Property, plant and equipment, net	57,505	54,768	56,442
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	38,233	39,576	42,591
Property, plant and equipment, net	21,011	22,035	17,127
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	9,415	7,464	6,172
Property, plant and equipment, net
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	21,963	24,030	23,024
Property, plant and equipment, net
South America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	13,071	14,431	18,464
Property, plant and equipment, net
All Foreign Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	232,331	225,709	284,199
Property, plant and equipment, net	$ 78,516	$ 76,803	$ 73,569