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Note 1 - Summary of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 03, 2016 | Dec. 28, 2014 | Dec. 29, 2013
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Research and Development Expense | $ 14,500,000 | $ 13,900,000 | $ 12,600,000
Interest Paid | 4,800,000 | 21,000,000 | 22,900,000
Income Taxes Paid | 7,200,000 | 7,500,000 | 8,700,000
Proceeds from Income Tax Refunds | 3,100,000 | 5,000,000 | 1,400,000
Interest Costs Capitalized | 300,000 | 800,000 | 800,000
Depreciation | 30,400,000 | 30,300,000 | 24,400,000
Finite-Lived Intangible Assets, Accumulated Amortization | 77,300,000 | 77,300,000 |
Goodwill, Impaired, Accumulated Impairment Loss | 212,600,000 | 212,600,000 |
Goodwill | 63,890,000 | 70,509,000 |
Other Intangible Assets, Net | 4,800,000 | 4,700,000 |
Amortization of Intangible Assets | 300,000 | 300,000 | 300,000
Goodwill, Impairment Loss | $ 0 | 0 | 0
Fair Value Estimates of Reporting Units Threshold for No Goodwill Impairment, Percent of Decrease in Fair Value Estimates | 10.00% |  |
Product Warranty Period, Lower Range | 10 years |  |
Product Warranty Period, Upper Range | 20 years |  |
Workmanship Warranty Period | 1 year |  |
Warranty and Sales Allowances Payable, Current | $ 4,759,000 | 3,957,000 |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax | $ (32,600,000) | $ (28,400,000) | $ (5,200,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) | 0 | 2,014 | 0
Accrual for Environmental Loss Contingencies | $ 0 | $ 0 |
Allowance for Doubtful Accounts Receivable | 4,500,000 | 5,900,000 |
Accrued Expenses [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Warranty and Sales Allowances Payable, Current | $ 4,800,000 | $ 4,000,000 |
Minimum [Member] | Building and Building Improvements [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Minimum [Member] | Furniture and Equipment [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Maximum [Member] | Building and Building Improvements [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 40 years |  |
Maximum [Member] | Furniture and Equipment [Member] |  |  |
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 12 years |  |

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