Note 9 - Segment and Geographic Information - Summary of Property, Plant and Equipment and Other Long Lived Assets in Geographical Area (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Property plant and equipment, net	$ 70,912	$ 74,332
Goodwill and other intangible assets	513,688	561,088
GERMANY
Property plant and equipment, net	25,234	21,655
Goodwill and other intangible assets	228,476	249,605
UNITED STATES
Property plant and equipment, net	16,671	20,417
Goodwill and other intangible assets	207,642	228,022
JAPAN
Property plant and equipment, net	9,964	11,905
Goodwill and other intangible assets	3,872	4,138
Malaysia [Member]
Property plant and equipment, net	7,151	10,535
Goodwill and other intangible assets	44,140	43,569
PHILIPPINES
Property plant and equipment, net	8,637	5,842
Rest of the World [Member]
Property plant and equipment, net	3,255	3,978
Goodwill and other intangible assets	7,453	8,977
SINGAPORE
Goodwill and other intangible assets	13,915	15,173
SWITZERLAND
Goodwill and other intangible assets	$ 8,190	$ 11,604