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Accumulated Other Comprehensive Income Components of Accumulated Other Comprehensive Income (Details) (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2014
Jan. 31, 2013
Accumulated Other Comprehensive Income (Loss)    
Foreign currency translation adjustment $ 18,361 $ 25,146
Unrealized gain (loss) on derivatives, net of tax 42 (12)
Pension liability 400 265
Accumulated other comprehensive income $ 18,803 $ 25,399