XML 99 R64.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivatives and Hedging (Details) (Interest Rate Swap, Level II, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jul. 31, 2012
Jul. 31, 2011
Interest Rate Swap | Level II
   
Derivative [Line Items]    
Asset or (Liability) $ (4,872)   
Gain or (loss) in Comprehensive Income (3,110)   
Amount Reclassified into Earnings