Supplementary Balance Sheet Information (Components Of Other Long-Term Liabilities) (Details) - USD ($) $ in Thousands	Oct. 31, 2017	Jul. 31, 2017	Oct. 31, 2016
Balance Sheet Related Disclosures [Abstract]
Private club deferred initiation fee revenue	$ 117,151	$ 118,417	$ 120,546
Unfavorable lease obligation, net	23,922	24,664	27,284
Other long-term liabilities	149,347	158,655	124,479
Total other long-term liabilities	$ 290,420	$ 301,736	$ 272,309