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Goodwill And Other Intangible Assets (Expected Amortization Expense Relating To Existing Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Jul. 31, 2013
Goodwill And Other Intangible Assets [Abstract]  
2014 $ 5,167
2015 5,072
2016 5,070
2017 4,924
2018 $ 3,555