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Intangible Assets (Schedule Of Goodwill) (Details) (USD $)
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12 Months Ended | ||
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Jan. 03, 2015
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Dec. 28, 2013
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Dec. 29, 2012
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| Intangible Assets [Abstract] | |||
| Gross goodwill, Beginning | $ 18,243,000us-gaap_GoodwillGross | $ 17,890,000us-gaap_GoodwillGross | |
| Accumulated impairment losses, Beginning | 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | |
| Goodwill, Beginning | 18,243,000us-gaap_Goodwill | 17,890,000us-gaap_Goodwill | |
| Goodwill acquired during the year | 0us-gaap_GoodwillAcquiredDuringPeriod | 0us-gaap_GoodwillAcquiredDuringPeriod | |
| Impairment loss | 0us-gaap_GoodwillImpairmentLoss | 0us-gaap_GoodwillImpairmentLoss | 0us-gaap_GoodwillImpairmentLoss |
| Currency translation adjustments | (302,000)us-gaap_GoodwillTranslationAdjustments | 353,000us-gaap_GoodwillTranslationAdjustments | |
| Gross goodwill, Ending | 17,941,000us-gaap_GoodwillGross | 18,243,000us-gaap_GoodwillGross | 17,890,000us-gaap_GoodwillGross |
| Accumulated impairment losses, Ending | 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss | 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss |
| Goodwill, Ending | $ 17,941,000us-gaap_Goodwill | $ 18,243,000us-gaap_Goodwill | $ 17,890,000us-gaap_Goodwill |
| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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| X | ||||||||||
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- Definition
Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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