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Supplementary Balance Sheet Information (Components Of Other Long-Term Liabilities) (Details) - USD ($)
$ in Thousands
Apr. 30, 2018
Jul. 31, 2017
Apr. 30, 2017
Balance Sheet Related Disclosures [Abstract]      
Private club deferred initiation fee revenue $ 116,375 $ 118,417 $ 120,260
Unfavorable lease obligation, net 22,537 24,664 25,254
Other long-term liabilities 140,885 158,655 134,689
Total other long-term liabilities $ 279,797 $ 301,736 $ 280,203