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Note 1 - Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended |  |  |  |
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Dec. 29, 2013 | Dec. 30, 2012 | Jan. 01, 2012 | Dec. 29, 2013 Building and Building Improvements [Member] Minimum [Member] | Dec. 29, 2013 Building and Building Improvements [Member] Maximum [Member] | Dec. 29, 2013 Furniture And Equipment [Member] Minimum [Member] | Dec. 29, 2013 Furniture And Equipment [Member] Maximum [Member] | Dec. 29, 2013 Warranty Reserves [Member] | Dec. 30, 2012 Warranty Reserves [Member] | Jan. 01, 2012 Warranty Reserves [Member] | Jan. 02, 2011 Warranty Reserves [Member]
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Research and Development Expense | $ 12,600,000 | $ 12,400,000 | $ 12,100,000 |  |  |  |  |  |  |  |
Interest Paid | 22,900,000 | 23,100,000 | 23,700,000 |  |  |  |  |  |  |  |
Income Taxes Paid | 8,700,000 | 10,000,000 | 19,900,000 |  |  |  |  |  |  |  |
Proceeds from Income Tax Refunds | 1,400,000 | 100,000 | 4,400,000 |  |  |  |  |  |  |  |
Property, Plant and Equipment, Useful Life |  |  |  | 10 years | 40 years | 3 years | 12 years |  |  |  |
Interest Costs Capitalized | 800,000 | 700,000 | 600,000 |  |  |  |  |  |  |  |
Depreciation | 23,900,000 | 24,200,000 | 22,300,000 |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets, Accumulated Amortization | 77,300,000 | 77,300,000 |  |  |  |  |  |  |  |  |
Goodwill, Impaired, Accumulated Impairment Loss | 212,600,000 | 212,600,000 |  |  |  |  |  |  |  |  |
Goodwill | 77,941,000 | 75,672,000 |  |  |  |  |  |  |  |  |
Other Intangible Assets, Net | 3,800,000 | 2,500,000 |  |  |  |  |  |  |  |  |
Amortization of Intangible Assets | 300,000 | 400,000 | 700,000 |  |  |  |  |  |  |  |
Fair Value Estimates of Reporting Units, Threshold for No Goodwill Impairment, Percent of Decrease in Fair Value Estimates | 0.10 |  |  |  |  |  |  |  |  |  |
Product Warranty Period Lower Range | 10 years |  |  |  |  |  |  |  |  |  |
Product Warranty Period Upper Range | 20 years |  |  |  |  |  |  |  |  |  |
Valuation Allowances and Reserves, Balance |  |  |  |  |  |  |  | 1,364,000 | 1,232,000 | 871,000 | 830,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax | (5,200,000) | 8,500,000 | (7,600,000) |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) |  |  | $ 7.37 |  |  |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable | $ 7,600,000 | $ 8,800,000 |  |  |  |  |  |  |  |  |

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