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Note 8 - Borrowings (Details Textual) $ in Thousands, € in Millions |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 26, 2014 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2016 EUR (€) | Dec. 31, 2014 USD ($) | Nov. 30, 2014 USD ($) | Nov. 30, 2013 USD ($) | Apr. 05, 2015 | Dec. 28, 2014 USD ($) | Jan. 01, 2017 USD ($) | Jan. 03, 2016 USD ($) | Dec. 28, 2014 USD ($) | Dec. 31, 2015 USD ($) | Dec. 03, 2010 USD ($)
Threshold Of Other Indebtedness Triggering Default |  |  |  |  |  |  |  |  | $ 20,000 |  |  |  |
Repayments of Senior Debt |  |  |  |  |  |  |  |  | 0 | $ 0 | $ 247,500 |  |
Debt Issuance Costs, Net |  |  |  |  |  |  |  |  | 1,400 | 1,900 |  |  |
Amortization of Debt Issuance Costs and Discounts |  |  |  |  |  |  |  |  | $ 500 | 500 | 3,800 |  |
Write off of Deferred Debt Issuance Cost |  |  |  |  |  |  |  |  |  |  | $ 2,800 |  |
Senior Notes 7.625% [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  | 7.625% | 7.625% |  | 7.625% |  | 7.625%
Repayments of Senior Debt | $ 220,000 |  |  | $ 220,000 | $ 27,500 | $ 27,500 |  | $ 27,500 |  |  |  |  |
Debt Instrument, Redemption Price, Percentage | 103.813% |  |  | 103.813% | 103.00% | 103.00% |  | 103.00% |  |  |  |  |
Long-term Debt, Gross |  |  |  |  |  |  |  |  |  |  |  |  | $ 275,000
Amortization of Debt Discount (Premium) |  |  |  | $ (9,300) |  |  |  |  |  |  |  |  |
Term Loan A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Initial Amortization Payment |  |  |  |  |  |  |  |  |  |  |  | $ 2,500 |
Subsequent Amortization Payment |  | $ 3,750 |  |  |  |  |  |  |  |  |  |  |
Syndicated Facility Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Option to Increase Maximum Borrowing Capacity, Amount |  |  |  |  |  |  |  |  | $ 150,000 |  |  |  |
Minimum Consolidated Interest Coverage Ratio |  |  |  |  |  |  |  |  | 2.25 |  |  |  |
Maximum Percentage Of First Tier Subsidiary Stock Pledged As Collateral |  |  |  |  |  |  |  |  | 65.00% |  |  |  |
Letters of Credit Outstanding, Amount |  |  |  |  |  |  |  |  | $ 2,900 |  |  |  |
Long-term Debt, Weighted Average Interest Rate |  |  |  |  |  |  |  |  | 2.10% |  |  |  |
Syndicated Facility Agreement [Member] | One of the Company's Foreign Subsidiaries [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Lines of Credit |  | $ 63,500 | € 61 |  |  |  |  |  |  |  |  |  |
Syndicated Facility Agreement [Member] | Through And Including First Fiscal Quarter Ending December 28, 2014 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum Consolidated Net Leverage Ratio |  |  |  |  |  |  |  | 4.5 |  |  |  |  |
Syndicated Facility Agreement [Member] | From and Including the Fiscal Quarter Ending April 5, 2015 Through and Including the Fiscal Quarter Ending January 3, 2016 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum Consolidated Net Leverage Ratio |  |  |  |  |  |  | 4 |  |  |  |  |  |
Syndicated Facility Agreement [Member] | For Each Fiscal Quarter Thereafter [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum Consolidated Net Leverage Ratio |  |  |  |  |  |  |  |  | 3.75 |  |  |  |
Syndicated Facility Agreement [Member] | Federal Funds Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  | 0.50% |  |  |  |
Syndicated Facility Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  |  |  |  |  | 0.25% |  |  |  |
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  |  |  |  |  | 0.20% |  |  |  |
Syndicated Facility Agreement [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  | 1.25% |  |  |  |
Syndicated Facility Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  |  |  |  |  | 1.50% |  |  |  |
Line of Credit Facility, Commitment Fee Percentage |  |  |  |  |  |  |  |  | 0.35% |  |  |  |
Syndicated Facility Agreement [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  |  |  |  | 2.50% |  |  |  |
Syndicated Facility Agreement [Member] | Term Loan A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  |  |  |  |  | $ 185,000 |  |  |  |
Syndicated Facility Agreement [Member] | Term Loan A [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  | 200,000 |  |  |  |
Syndicated Facility Agreement [Member] | Standby Letters of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  | 40,000 |  |  |  |
Syndicated Facility Agreement [Member] | Domestic, European and Australian [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  | 240,000 |  |  |  |
Syndicated Facility Agreement [Member] | THAILAND |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  | 10,000 |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Line of Credit |  |  |  |  |  |  |  |  | 85,300 |  |  |  |
Other Line Of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  | 14,800 |  |  |  |
Long-term Line of Credit |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |  |
Other Line Of Credit [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  |  |  |  |  | 2.50% |  |  |  |
Other Line Of Credit [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate During Period |  |  |  |  |  |  |  |  | 6.50% |  |  |  |

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