The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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+ Details

Legal Matters (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended		1 Months Ended	3 Months Ended
	Sep. 14, 2012	Jun. 04, 2012	Dec. 27, 2011	Feb. 28, 2013	May 31, 2012
Nevada Development Contract Litigation
Loss Contingencies [Line Items]
Acres of purchased land by LVDA				83
Expected compensatory damages				$ 55.0
Expected interest charges				41.0
Estancia Coastal Litigation
Loss Contingencies [Line Items]
Expected compensatory damages			9.8
Court judgment in favor of the plaintiff in the amount	1.4	9.2
Expected interest charges		0.9
Recorded charge to increase accrual				0.6	8.8
Loss contingency accrual, at carrying value				$ 12.3	$ 11.7