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Note 2 - Business Acquisitions, Goodwill and Purchased Intangible Assets (Details Textual) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 07, 2025	Sep. 27, 2025	Sep. 28, 2024	Sep. 27, 2025	Sep. 28, 2024
Amortization of Intangible Assets		$ 10,249	$ 9,791	$ 30,182	$ 29,334
Tignis, Inc [Member]
Payments to Acquire Businesses, Net of Cash Acquired	$ 34,900			34,935	$ (0)
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount	5,000
Business Combination, Consideration Transferred	$ 36,600
Business Combination, Acquisition-Related Cost, Expense				$ 400

X

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Maximum amount of estimate for undiscounted range of outcomes in contingent consideration arrangement in business combination.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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