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Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 09, 2024 USD ($) | Dec. 27, 2025 USD ($) shares | Dec. 28, 2024 USD ($) shares | Dec. 30, 2023 USD ($) shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares |  | 474,000 | 248,000 | 193,000
SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense |  | $ 7,500 | $ 5,400 | $ 4,500
Depreciation |  | 13,200 | 13,400 | 13,400
Capitalized Computer Software, Gross |  | 7,000 | 9,300 |
Capitalized Computer Software, Amortization |  | $ 2,836 | 2,836 | 2,800
Number of Operating Segments |  | 3 |  |
Number of Reportable Segments |  | 1 |  |
Revenue, Remaining Performance Obligation, Amount |  | $ 5,100 | 5,600 |
Accounts Receivable, Credit Loss Expense (Reversal) |  | 0 |  |
Contract with Customer, Asset, after Allowance for Credit Loss |  | 0 |  |
Contract with Customer, Liability |  | 15,300 | 8,600 |
Deferred Profit |  | 8,626 | 3,589 |
Deferred Profit Long-term |  | 3,700 | 4,300 |
Amortization of Debt Issuance Costs |  | 400 |  | 100
Realized Gain (Loss), Foreign Currency Transaction, before Tax |  | (800) | (2,400) | (5,200)
Accumulated Other Comprehensive Income (Loss), Net of Tax |  | (32,470) | (51,155) |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax |  | (19,400) | 16,800 |
Repayments of Long-Term Debt |  | $ 1,733 | $ 31,324 | $ 38,788
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 |  |

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