Note 8 - Summary of Property, Plant and Equipment and Other Long Lived Assets in Geographical Area (Details) - USD ($) $ in Thousands	Dec. 26, 2015	Dec. 27, 2014
UNITED STATES
Net property, plant and equipment	$ 3,054	$ 18,986
Goodwill and other intangible assets, net	17,241	17,241
GERMANY
Net property, plant and equipment	6,882	7,484
Goodwill and other intangible assets, net	31,337	38,527
PHILIPPINES
Net property, plant and equipment	4,171	2,721
Malaysia [Member]
Net property, plant and equipment	4,165	1,838
Goodwill and other intangible assets, net	6,995	6,988
Rest of the World [Member]
Net property, plant and equipment	728	825
Goodwill and other intangible assets, net	986	984
SWITZERLAND
Goodwill and other intangible assets, net	22,444	25,921
SINGAPORE
Goodwill and other intangible assets, net	6,558	6,558
Net property, plant and equipment	19,000	31,854
Goodwill and other intangible assets, net	$ 85,561	$ 96,219