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PROPERTY AND EQUIPMENT, NET (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2013
Jul. 31, 2012
PROPERTY AND EQUIPMENT, NET    
Property and equipment, gross $ 681,902 $ 696,485
Less accumulated depreciation and amortization (573,027) (574,361)
Property and equipment, net 108,875 122,124
Leasehold improvements
   
PROPERTY AND EQUIPMENT, NET    
Property and equipment, gross 223,424 229,524
Furniture and fixtures
   
PROPERTY AND EQUIPMENT, NET    
Property and equipment, gross 452,923 463,911
Construction in progress
   
PROPERTY AND EQUIPMENT, NET    
Property and equipment, gross $ 5,555 $ 3,050