The amount of the initial amortization payment that is due on the last calendar quarter.

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The amount of which the reporting entity has the option to increase the maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Maximum consolidated net leverage ratio

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Maximum percentage of first tier subsidiary stock pledge as collateral

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Minimum consolidated interest coverage ratio

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No definition available.

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The quarterly amortization payment amount required after a certain number of the initial amortization payments.

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No definition available.

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Threshold of other indebtedness triggering default

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No definition available.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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No definition available.

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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Weighted average interest rate of long-term debt outstanding.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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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%