Derivative Financial Instruments (Tables)

6 Months Ended

Jul. 31, 2017

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Fair Value and Presentation of Derivatives

The following table summarizes the fair value and presentation in the Consolidated Balance Sheets for derivatives (in thousands):

	Asset Derivatives							Liability Derivatives
	Balance Sheet Location	July 31, 2017 Fair Value		January 31, 2017 Fair Value		July 31, 2016 Fair Value		Balance Sheet Location		July 31, 2017 Fair Value		January 31, 2017 Fair Value		July 31, 2016 Fair Value
Derivatives not    designated as    hedging    instruments:
Foreign Exchange    Contracts	Other Current Assets	$	402	$	145	$	355		Accrued Liabilities	$	25	$	211	$	92
Total Derivative    Instruments		$	402	$	145	$	355			$	25	$	211	$	92

	Asset Derivatives							Liability Derivatives
	Balance Sheet Location	July 31, 2017 Fair Value		January 31, 2017 Fair Value		July 31, 2016 Fair Value		Balance Sheet Location		July 31, 2017 Fair Value		January 31, 2017 Fair Value		July 31, 2016 Fair Value
Derivatives    designated as    hedging    instruments:
Foreign Exchange    Contracts	Other Current Assets	$	—	$	—	$	194		Accrued Liabilities	$	464	$	—	$	—
Total Derivative    Instruments		$	—	$	—	$	194			$	464	$	—	$	—