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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) - Cash Flow Hedges - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2018
Jul. 31, 2017
Tax expense (benefit) on unrealized gain (loss) on cash flow hedge derivative instruments $ 0 $ 0 $ 0 $ 19
Tax expense (benefit) on reclassification of gain (loss) on foreign currency contract cash flow hedge derivative instruments $ 0 $ 68 $ 0 $ 394