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Note 5. Intangible and Other Assets Related to Indian Casino Projects (Details) - Table of Intangible Assets Related to Shingle Springs Tribe (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jul. 01, 2012
Jun. 30, 2013
Jul. 01, 2012
Note 5. Intangible and Other Assets Related to Indian Casino Projects (Details) - Table of Intangible Assets Related to Shingle Springs Tribe [Line Items]        
Amortization $ 265 $ 265 $ 529 $ 528
Shingle Springs Tribe [Member]
       
Note 5. Intangible and Other Assets Related to Indian Casino Projects (Details) - Table of Intangible Assets Related to Shingle Springs Tribe [Line Items]        
Balances, December 30, 2012     3,127  
Balances, June 30, 2013 2,599   2,599  
Amortization     (528)  
Impairment losses     $ 0