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Goodwill And Intangible Assets (Estimated Amortization Of Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2013
Goodwill And Intangible Assets [Abstract]  
Remainder of 2013 $ 384
2014 1,538
2015 1,512
2016 1,096
2017 814
Therafter 2,192
Finite-lived intangible assets, Net carrying amount $ 7,536