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Supplementary Balance Sheet Information (Components Of Other Long-Term Liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2013
Jul. 31, 2012
Jan. 31, 2012
Balance Sheet Related Disclosures [Abstract]      
Private club deferred initiation fee revenue $ 133,432 $ 135,660 $ 137,922
Unfavorable lease obligation, net 34,723 36,058 37,393
Other long-term liabilities 62,002 61,151 60,314
Total other long-term liabilities $ 230,157 $ 232,869 $ 235,629