Segment and Related Information - Summary of Property Plant and Equipment in Geographical Area (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Property, plant and equipment:
Net property, plant and equipment	$ 35,464	$ 36,981
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	77,733	79,888
United States [Member]
Property, plant and equipment:
Net property, plant and equipment	22,621	24,138
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	17,985	17,241
Germany [Member]
Property, plant and equipment:
Net property, plant and equipment	8,802	8,625
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	53,190	56,089
Asia (Singapore, Taiwan and Philippines) [Member]
Property, plant and equipment:
Net property, plant and equipment	4,041	4,218
Singapore [Member]
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	$ 6,558	$ 6,558