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Note 3. Long-Term Assets Related to Indian Casino Projects - Notes and Interest Receivable (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 30, 2012	Dec. 31, 2015 Shingle Springs Tribe [Member]	Mar. 31, 2013 Shingle Springs Tribe [Member]
Advances On Transition Loan	$ 66,720	$ 66,720	$ 74,400
	$ 0	$ 0		$ 500