Segment and Related Information - Summary of Property, Plant and Equipment in Geographical Area (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 28, 2013	Dec. 29, 2012
Property, plant and equipment:
Net property, plant and equipment	$ 36,226	$ 35,464
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	116,628	77,733
United States [Member]
Property, plant and equipment:
Net property, plant and equipment	21,894	22,621
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	17,698	17,985
Germany [Member]
Property, plant and equipment:
Net property, plant and equipment	8,973	8,802
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	51,032	53,190
Philippines [Member]
Property, plant and equipment:
Net property, plant and equipment	3,278	3,851
Rest of the World [Member]
Property, plant and equipment:
Net property, plant and equipment	2,081	190
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	1,089
Switzerland [Member]
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	32,513
Malaysia [Member]
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	7,738
Singapore [Member]
Goodwill and other intangible assets:
Goodwill and other intangible assets, net	$ 6,558	$ 6,558