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Goodwill And Other Intangible Assets (Expected Amortization Expense Relating To Existing Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2014
Goodwill And Other Intangible Assets [Abstract]  
Remaining 2014 $ 1,291
2015 5,086
2016 5,084
2017 4,963
2018 3,481
2019 2,930
Thereafter $ 14,606