Supplementary Balance Sheet Information (Components Of Other Long-Term Liabilities) (Details) - USD ($) $ in Thousands	Oct. 31, 2018	Jul. 31, 2018	Oct. 31, 2017
Balance Sheet Related Disclosures [Abstract]
Private club deferred initiation fee revenue	$ 112,669	$ 114,319	$ 117,151
Unfavorable lease obligation, net	21,100	21,839	23,922
Other long-term liabilities	139,797	155,348	149,347
Total other long-term liabilities	$ 273,566	$ 291,506	$ 290,420