PROPERTY AND EQUIPMENT, NET (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2014		Aug. 31, 2013	Aug. 31, 2012
Property and Equipment, Net
Property and equipment, historical cost	$ 572,374		$ 471,264
Less: accumulated Depreciation	(146,049)		(132,786)
Property and equipment, net	426,325		338,478
Depreciation and Amortization Expense
Depreciation and amortization expense	28,475	[1]	24,444	23,739
Capitalized interest at period end	6,542		5,560
Capitalized interest during period	1,482		1,353	250
Land [Member]
Property and Equipment, Net
Property and equipment, historical cost	124,082		100,108
Building improvements
Property and Equipment
Property and equipment, useful life, minimum	10 years
Property and Equipment, Net
Property and equipment, historical cost	244,485		228,257
Building improvements | End of Useful Life [Member]
Property and Equipment
Property and equipment, useful life, minimum	25 years
Fixtures and equipment
Property and Equipment
Property and equipment, useful life, minimum	3 years
Property and Equipment, Net
Property and equipment, historical cost	148,143		119,242
Fixtures and equipment | End of Useful Life [Member]
Property and Equipment
Property and equipment, useful life, minimum	15 years
Construction in progress
Property and Equipment, Net
Property and equipment, historical cost	$ 55,664		$ 23,657

[1] Includes a $1.1 million error that increased expenses in the Caribbean operations and a $313,000 error that increased expenses in the Latin America operations, both of which were related to prior periods. See Note 1- Company Overview and Basis of Presentation.