Note 7 - Business Acquisitions - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Dec. 28, 2024	Dec. 30, 2023	Oct. 02, 2023	Jan. 30, 2023	Dec. 31, 2022
Goodwill	$ 234,639	$ 241,658			$ 213,539
MCT Worldwide, LLC [Member]
Current assets, including cash received				$ 9,505
Property, plant and equipment				197
Other assets				356
Intangible assets				12,000
Goodwill				8,755
Total assets acquired				30,813
Liabilities assumed				(4,024)
Net assets acquired				$ 26,789
Equiptest Engineering Pte Ltd. (“EQT”) [Member]
Current assets, including cash received			$ 10,135
Property, plant and equipment			538
Intangible assets			34,500
Goodwill			15,377
Total assets acquired			60,550
Liabilities assumed			(10,203)
Net assets acquired			$ 50,347