Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	3 Months Ended								12 Months Ended
	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2010	Jul. 31, 2010	Apr. 30, 2010	Jan. 31, 2010	Oct. 31, 2009	Jul. 31, 2011 years	Jul. 31, 2010	Jul. 31, 2009
Interest rate charged on past due accounts	18.00%								18.00%
Minimum period (in years) to capitalize interest cost									1
Cost required to capitalize interest									$ 1,000,000
Carrying amount of real estate sold									33,000,000
Average estimated useful life (in years)									15
Interest capitalized on real estate development									500,000	15,100,000	6,800,000
Impairment to goodwill or intangible assets									0	0	0
Average remaining period (in years) for initiation fees recognized									22
Refundable period (in years) for initiation fees									30
Revenue recorded under percentage-of-completion method									0	0	1,500,000
Lodging expenses									205,903,000	192,909,000	196,847,000
Revenue and expenses from payroll cost reimbursement									28,600,000
Lodging operating expense prior to revision for reimbursement of payroll costs for previously reported amounts										166,700,000	169,500,000
Lodging net revenue prior to revision for reimbursement of payroll costs for previously reported amounts										169,100,000	176,200,000
Lodging revenue	54,388,000	57,477,000	51,676,000	51,117,000	51,322,000	51,880,000	44,802,000	47,297,000	214,658,000	195,301,000	203,606,000
Charges for affordable housing commitment											2,800,000
Advertising expense									20,300,000	18,800,000	17,900,000
Prepaid advertising costs	200,000				300,000				200,000	300,000
Stated percentage in the debt instrument	6.50%								6.50%
Construction Projects [Member]
Interest capitalized									$ 100,000	$ 1,100,000	$ 800,000