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Fair Value of Financial Instruments (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2014
Level 1  
Assets:  
Total Assets at Fair Value $ 2,239us-gaap_AssetsFairValueDisclosureRecurring
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Level 1 | Fixed Income Funds  
Assets:  
Total Assets at Fair Value 753us-gaap_AssetsFairValueDisclosureRecurring
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Level 1 | Stock Index Funds | Small Cap  
Assets:  
Total Assets at Fair Value 353us-gaap_AssetsFairValueDisclosureRecurring
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Level 1 | Stock Index Funds | Mid Cap  
Assets:  
Total Assets at Fair Value 241us-gaap_AssetsFairValueDisclosureRecurring
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Level 1 | Stock Index Funds | Large Cap  
Assets:  
Total Assets at Fair Value 482us-gaap_AssetsFairValueDisclosureRecurring
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Level 1 | Stock Index Funds | International  
Assets:  
Total Assets at Fair Value 410us-gaap_AssetsFairValueDisclosureRecurring
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Level 2  
Assets:  
Total Assets at Fair Value 28us-gaap_AssetsFairValueDisclosureRecurring
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Level 2 | Cash and Cash Equivalents  
Assets:  
Total Assets at Fair Value $ 28us-gaap_AssetsFairValueDisclosureRecurring
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