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Note 7 - Goodwill - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Balance	$ 22,147	$ 22,147
No change	0	0
Balance	22,147	22,147
Engineering [Member]
Balance	11,918	11,918
No change	0	0
Balance	11,918	11,918
Specialty Health Care [Member]
Balance	2,398	2,398
No change	0	0
Balance	2,398	2,398
Life Sciences, Data & Solutions [Member]
Balance	7,831	7,831
No change	0	0
Balance	$ 7,831	$ 7,831

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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X

- Definition

Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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