Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands			12 Months Ended
	Oct. 01, 2024 USD ($)	Feb. 09, 2024 USD ($)	Dec. 28, 2024 USD ($) shares	Dec. 30, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2022 USD ($)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares			248,000	193,000	261,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense			$ 5,400	$ 4,500	$ 7,200
Depreciation			13,400	13,400	12,800
Capitalized Computer Software, Gross			9,300	12,200
Capitalized Computer Software, Amortization			$ 2,836	2,800	$ 2,060
Number of Operating Segments					3
Number of Reportable Segments			1
Goodwill and Intangible Asset Impairment	$ 0
Revenue, Remaining Performance Obligation, Amount			$ 5,600	6,200
Accounts Receivable, Credit Loss Expense (Reversal)			0
Contract with Customer, Asset, after Allowance for Credit Loss			0
Contract with Customer, Liability			8,600	8,800
Deferred Profit			3,589	3,586
Deferred Profit Long-term			4,300	4,900
Amortization of Debt Issuance Costs				100		$ 300
Realized Gain (Loss), Foreign Currency Transaction, before Tax			(2,400)	(5,200)	$ 1,600
Accumulated Other Comprehensive Income (Loss), Net of Tax			(51,155)	(34,779)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax			16,800	(6,800)
Repayments of Long-Term Debt			$ 31,324	$ 38,788	$ 38,226
Secured Term Loan Facility [Member]
Repayments of Long-Term Debt		$ 29,300
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Asset, Useful Life (Year)			7 years
Minimum [Member]
Standard Product Warranty Term (Month)			12 months
Maximum [Member]
Standard Product Warranty Term (Month)			36 months
Building [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)			30 years
Building [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)			40 years
Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)			5 years
Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)			15 years
Machinery, Equipment and Software [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)			3 years
Machinery, Equipment and Software [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)			10 years