Note 10 - Segment and Geographic Information - Summary of Property, Plant and Equipment and Other Long Lived Assets in Geographical Area (Details) - USD ($) $ in Thousands	Dec. 25, 2021	Dec. 26, 2020
Property plant and equipment, net	$ 63,957	$ 66,916
Goodwill and other intangible assets	397,111	485,989
UNITED STATES
Property plant and equipment, net	18,375	17,800
Goodwill and other intangible assets	150,477	177,585
GERMANY
Property plant and equipment, net	17,419	19,817
Goodwill and other intangible assets	181,146	232,925
JAPAN
Property plant and equipment, net	11,156	13,231
Goodwill and other intangible assets	3,148	3,703
PHILIPPINES
Property plant and equipment, net	10,384	9,333
MALAYSIA
Property plant and equipment, net	4,082	3,986
Goodwill and other intangible assets	43,611	45,435
Rest of the World [Member]
Property plant and equipment, net	2,541	2,749
Goodwill and other intangible assets	1,156	7,866
SINGAPORE
Goodwill and other intangible assets	12,990	13,469
SWITZERLAND
Goodwill and other intangible assets	$ 4,583	$ 5,006