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Note 10 - Income Taxes - Income Taxes Paid, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 27, 2025	Dec. 28, 2024	Dec. 30, 2023
Cash paid for income taxes, net of refunds	$ (2,829)	$ 24,926	$ 44,276
Domestic Tax Jurisdiction [Member]
Cash paid for income taxes, net of refunds	48
Foreign Tax Jurisdiction [Member]
Cash paid for income taxes, net of refunds	(2,877)
Foreign Tax Jurisdiction [Member] | State Administration of Taxation, China [Member]
Cash paid for income taxes, net of refunds	169
Foreign Tax Jurisdiction [Member] | Federal Ministry of Finance, Germany [Member]
Cash paid for income taxes, net of refunds	(8,436)
Foreign Tax Jurisdiction [Member] | National Tax Agency, Japan [Member]
Cash paid for income taxes, net of refunds	1,093
Foreign Tax Jurisdiction [Member] | Inland Revenue Board of Malaysia [Member]
Cash paid for income taxes, net of refunds	2,474
Foreign Tax Jurisdiction [Member] | Bureau of Internal Revenue, Philippines [Member]
Cash paid for income taxes, net of refunds	681
Foreign Tax Jurisdiction [Member] | Inland Revenue, Singapore (IRAS) [Member]
Cash paid for income taxes, net of refunds	763
Foreign Tax Jurisdiction [Member] | Swiss Federal Tax Administration (FTA) [Member]
Cash paid for income taxes, net of refunds	275
Foreign Tax Jurisdiction [Member] | Other Foreign Jurisdictions [Member]
Cash paid for income taxes, net of refunds	$ 104

X

- Definition

Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-2A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 23
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-23

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-22

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482913/230-10-50-2

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