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Note 4. Intangible and Other Assets Related to Indian Casino Projects (Detail) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 30, 2012
Notes, Loans and Financing Receivable, Gross, Current $ 0.5 $ 0.5
Shingle Springs Tribe [Member]
   
Other Receivables 3.0 4.0
Kevin Kean [Member]
   
Financing Receivable, Net $ 0.7 $ 0.8