PROPERTY AND EQUIPMENT, NET Property Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013	Aug. 31, 2013
Property, Plant and Equipment [Line Items]
Document Fiscal Year Focus			2014
Document Period End Date			Feb. 28, 2014
Property, Plant and Equipment, Gross	$ 516,462		$ 516,462		$ 471,264
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(142,127)		(142,127)		(132,786)
Property, Plant and Equipment, Net	374,335		374,335		338,478
Depreciation and amortization expense	7,139	6,031	13,793	11,715
Total interest capitalized	4,418		4,418		4,475
Interest expense capitalized	194	110	493	281
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	116,996		116,996		100,108
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum			10 years
Property, Plant and Equipment, Gross	234,645		234,645		228,257
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum			3 years
Property, Plant and Equipment, Gross	135,747		135,747		119,242
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 29,074		$ 29,074		$ 23,657
End of Useful Life [Member] | Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum			25 years
End of Useful Life [Member] | Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum			15 years