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Short-Term Borrowings Short-Term Borrowings (Details) - USD ($)
$ in Thousands
Jul. 31, 2016
Jan. 31, 2016
Short-term Debt [Line Items]    
Senior revolving credit facility $ 0 $ 25,000
Collections Of Previously Sold Accounts Receivable 3,761 7,568
Other Short-term Borrowings 991 881
Short-term borrowings $ 4,752 $ 33,449