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Note 4. Intangible and Other Assets Related to Indian Casino Projects (Detail) - Table of Intangible Assets Related to Shingle Springs Tribe (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Amortization $ 264 $ 264
Shingle Springs Tribe [Member]
   
Balances, December 30, 2012 3,127  
Balances, March 31, 2013 2,863  
Amortization (264)  
Impairment losses $ 0