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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 3 Months Ended
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Sep. 27, 2014 | Sep. 28, 2013 Change due to enactment of American Taxpayer Relief Act [Member] | Sep. 28, 2013 Change in Israel Tax Rate [Member]
Income Taxes [Abstract] |  |  |
Decrease in liabilities for unrecognized tax benefits | $ 1,432 |  |
Effect on Income Tax Expense (Benefit) [Line Items] |  |  |
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability |  | $ 1,330 | $ 2,867

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- Definition Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition The net amount of all increases and decreases in unrecognized tax benefits for the period. + 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) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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