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Note 6. 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
12 Months Ended
Dec. 30, 2012
Dec. 30, 2012
Jan. 01, 2012
Jan. 01, 2011
Intangible assets   $ 4,184   $ 15,873
Allocation of advances     3,678  
Amortization (1,057) (1,056) (11,688)  
Impairment charges     (3,678)  
Intangible assets 3,127 3,127 4,184 15,873
Pokagon Band [Member]
       
Intangible assets       10,631
Amortization     (10,631)  
Intangible assets       10,631
Shingle Springs Tribe [Member]
       
Intangible assets       5,242
Amortization (1,057)   (1,058)  
Intangible assets 3,127 3,127 4,184 5,242
Jamul Tribe [Member]
       
Allocation of advances 1,766   3,678  
Impairment charges $ (1,766)   $ (3,678)