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Summary Of Significant Accounting Policies (Schedule Of Assets And Liabilities Measured At Fair Value) (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 03, 2015
Dec. 28, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds included in cash $ 4,833us-gaap_OtherAssetsFairValueDisclosure $ 9,249us-gaap_OtherAssetsFairValueDisclosure
Term deposits included in cash equivalents   348us-gaap_CashAndCashEquivalentsFairValueDisclosure
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds included in cash 4,833us-gaap_OtherAssetsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member		 9,249us-gaap_OtherAssetsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds included in cash      
Term deposits included in cash equivalents   348us-gaap_CashAndCashEquivalentsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Money market funds included in cash      
Term deposits included in cash equivalents