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Note 19. Subsequent Event (Details) (Subsequent Event [Member], Shingle Springs Tribe [Member], USD $)
In Millions, unless otherwise specified
Jun. 30, 2013
Subsequent Event [Member] | Shingle Springs Tribe [Member]
 
Note 19. Subsequent Event (Details) [Line Items]  
Debt Payment Related to Debt Termination Agreement $ 57.1