Supplementary Balance Sheet Information (Composition Of Other Long-Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Apr. 30, 2012	Jul. 31, 2011	Apr. 30, 2011
Supplementary Balance Sheet Information [Abstract]
Private club deferred initiation fee revenue and deposits	$ 144,697	$ 146,065	$ 146,768
Unfavorable lease obligation, net	36,726	38,729	39,397
Other long-term liabilities	52,500	50,635	51,339
Total other long-term liabilities	$ 233,923	$ 235,429	$ 237,504