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Income Taxes (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011
Components of Income from Continuing Operations before Provision for Income Taxes [Abstract] |  |  |
Domestic | $ 8,913,000 | $ 11,445,000 | $ 9,823,000
Foreign | 24,113,000 | 24,485,000 | 28,320,000
Total income from continuing operations before provision for income taxes | 33,026,000 | 35,930,000 | 38,143,000
Current Provision [Abstract] |  |  |
Federal | 1,986,000 | 1,798,000 | 123,000
Foreign | 7,955,000 | 7,363,000 | 5,575,000
State | 436,000 | 559,000 | 473,000
Current provision (benefit) | 10,377,000 | 9,720,000 | 6,171,000
Deferred (Benefit) Provision [Abstract] |  |  |
Federal | 1,325,000 | (3,980,000) | (317,000)
Foreign | (2,354,000) | (782,000) | (1,309,000)
State | (32,000) | (106,000) | (260,000)
Deferred (benefit) provision | (1,061,000) | (4,868,000) | (1,886,000)
Provision for income taxes from continuing operations | 9,316,000 | 4,852,000 | 4,285,000
Provision for Income Taxes Including Discontinued Operation [Abstract] |  |  |
Continuing operations | 9,316,000 | 4,852,000 | 4,285,000
Discontinued operation | (34,000) | 451,000 | (1,511,000)
Provision for income taxes including discontinued operation | 9,282,000 | 5,303,000 | 2,774,000
Tax benefits related to employees' and directors' stock plans | 351,000 | 132,000 | 371,000
Federal statutory income tax rate (in hundredths) | 35.00% |  |
Tax Reconciliation From Statutory Rate to Effective Rate [Abstract] |  |  |
Provision for Income Taxes at Statutory Rate | 11,559,000 | 12,576,000 | 13,350,000
Increases (Decreases) Resulting From [Abstract] |  |  |
State income taxes, net of federal tax | 304,000 | 295,000 | (140,000)
U.S. tax (benefit) cost of foreign earnings | (119,000) | 791,000 | (53,000)
Foreign tax rate differential | (2,681,000) | (2,298,000) | (3,094,000)
Provision (reversal) of tax benefit reserves, net | 853,000 | 624,000 | (1,596,000)
Change in valuation allowance | (968,000) | (7,051,000) | (4,183,000)
Nondeductible expenses | 1,580,000 | 775,000 | 746,000
Research and development tax credits | (638,000) | (623,000) | (324,000)
Other | (574,000) | (237,000) | (421,000)
Provision for income taxes from continuing operations | 9,316,000 | 4,852,000 | 4,285,000
Deferred Tax (Liability) Asset [Abstract] |  |  |
Foreign and alternative minimum tax credit carryforwards | 3,819,000 | 5,659,000 |
Reserves and accruals | 5,125,000 | 6,493,000 |
Net operating loss carryforwards | 16,452,000 | 15,147,000 |
Inventory basis difference | 2,797,000 | 2,468,000 |
Research and development | 1,017,000 | 1,193,000 |
Employee compensation | 3,199,000 | 2,229,000 |
Allowance for doubtful accounts | 595,000 | 486,000 |
Revenue recognition | 253,000 | 286,000 |
Other | 209,000 | 88,000 |
Deferred tax asset, gross | 33,466,000 | 34,049,000 |
Less: valuation allowance | (13,905,000) | (14,315,000) |
Deferred tax asset, net | 19,561,000 | 19,734,000 |
Goodwill and intangible assets | (20,923,000) | (15,393,000) |
Fixed asset basis difference | (3,619,000) | (2,974,000) |
Reserves and accruals | (207,000) | (342,000) |
Other | (65,000) | (107,000) |
Deferred tax liability | (24,814,000) | (18,816,000) |
Net Deferred Tax (Liability) Asset | (5,253,000) | 918,000 |
Valuation Allowance [Line Items] |  |  |
Decrease in valuation allowance | 410,000 |  |
Undistributed earnings of foreign subsidiaries [Abstract] |  |  |
Undistributed earnings of foreign subsidiaries | 145,926,000 |  |
Withholding liability related to undistributed earnings of foreign subsidiaries | 2,000,000 |  |
Unrecognized Tax Benefits [Abstract] |  |  |
Unrecognized tax benefits which, if recognized, would reduce the effective tax rate | 5,423,000 |  |
Reconciliation of Unrecognized Tax Benefits [Roll Forward] |  |  |
Unrecognized tax benefits, beginning of year | 4,194,000 | 3,308,000 |
Gross increases - tax positions in prior periods | 449,000 | 185,000 |
Gross decreases - tax positions in prior periods | 0 | (41,000) |
Gross increases - current period tax positions | 1,086,000 | 1,231,000 |
Settlements | (6,000) | (182,000) |
Lapses of statutes of limitations | (158,000) | (367,000) |
Currency translation | (142,000) | 60,000 |
Unrecognized tax benefits, end of year | 5,423,000 | 4,194,000 | 3,308,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued [Abstract] |  |  |
Income tax interest and penalties accrued | 1,776,000 | 1,196,000 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense [Abstract] |  |  |
Expense (benefit) from income tax penalties and interest expense | 205,000 | (6,000) |
Significant change in unrecognized tax benefits is reasonably possible, estimated time frame | 12 months |  |
Maximum significant change in liability for unrecognized tax benefits is reasonably possible, decrease | 842,000 |  |
Research and Development Tax Credit Carryforward [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax credit carryforward | 467,000 |  |
Alternative Minimum Tax Credit [Member] |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax credit carryforward | 1,154,000 |  |
Domestic State [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 28,963,000 |  |
Foreign Jurisdictions [Member] |  |  |
Valuation Allowance [Line Items] |  |  |
Valuation allowance | 12,955,000 |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | 59,708,000 |  |
Operating loss carryforwards expiring in 2014 through 2032 | 11,790,000 |  |
U.S. Jurisdictions [Member] |  |  |
Valuation Allowance [Line Items] |  |  |
Valuation allowance | 950,000 |  |
Tax Credit Carryforward [Line Items] |  |  |
Tax credit carryforward | $ 2,182,000 |  |

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- Definition The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph a(3) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 15, 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition This element represents the total of interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 15, 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph a(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph a(4) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 21 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The amount of the valuation allowance recorded as of the balance sheet date pertaining to the specified deferred tax asset for which an assessment was made that it is more likely than not that all or a portion of such deferred tax asset will not be realized through related deductions on future tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Valuation Allowance -URI http://asc.fasb.org/extlink&oid=6528051 + Details
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