Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands				9 Months Ended	12 Months Ended
	Feb. 09, 2024 USD ($)	Oct. 01, 2022 USD ($)	Jun. 24, 2021	Sep. 24, 2022 USD ($)	Dec. 31, 2023	Dec. 30, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 25, 2021 USD ($) shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares						193,000	261,000	180,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense						$ 4,500	$ 7,200	$ 7,100
Depreciation						13,400	12,800	13,200
Capitalized Computer Software, Gross						12,200	14,700
Capitalized Computer Software, Amortization						$ 2,800	2,060	$ 1,644
Number of Operating Segments								3
Number of Reportable Segments			2			1		1
Goodwill and Intangible Asset Impairment, Total		$ 0
Revenue, Remaining Performance Obligation, Amount						$ 6,200	7,100
Provision for Doubtful Accounts						0
Contract with Customer, Asset, after Allowance for Credit Loss, Total						0
Contract with Customer, Liability						8,800	16,100
Deferred Profit						3,586	8,022
Deferred Profit Long-term						4,900	5,500
Amortization of Debt Issuance Costs						100	300	$ 600
Realized Gain (Loss), Foreign Currency Transaction, before Tax						5,200	1,600	400
Accumulated Other Comprehensive Income (Loss), Net of Tax						(34,779)	(40,012)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax						(6,800)	(18,000)
Repayments of Long-Term Debt						$ 38,788	$ 38,226	$ 206,069
Secured Term Loan Facility [Member]
Repayments of Long-Term Debt				$ 31,700
Subsequent Event [Member] | 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