Shareholders' Equity (Tables)

9 Months Ended

Oct. 31, 2019

Shareholders Equity [Abstract]

Class of Treasury Stock

The Company’s common share issuance activity for the nine months ended October 31, 2019 is summarized as follows:  

	Shares		Weighted-average price per share
Treasury stock balance at January 31, 2019	22,305,464		$	46.53
Shares of treasury stock repurchased under share repurchase program	1,697,609		98.37
Shares of treasury stock reissued for equity incentive plans	(205,036	)
Treasury stock balance at October 31, 2019	23,798,037		$	50.22

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The following tables summarize the change in the components of AOCI for the three and nine months ended October 31, 2019 and 2018:

	Foreign currency translation adjustment, net of taxes			Unrealized gains (losses) on cash flow hedges, net of taxes			Total
(in thousands)
Balance at July 31, 2019	$	(28,559	)	$	58		$	(28,501	)
Other comprehensive income (loss) before reclassification	33,255			75			33,330
Reclassification of (gain) loss from AOCI into income	—			(55		)	(55		)
Balance at October 31, 2019	$	4,696		$	78		$	4,774

	Foreign currency translation adjustment, net of taxes			Unrealized gains (losses) on cash flow hedges, net of taxes		Total
(in thousands)
Balance at July 31, 2018	$	97,985		$	—	$	97,985
Other comprehensive income (loss) before reclassification	(91,430		)	—		(91,430		)
Reclassification of (gain) loss from AOCI into income	—			—		—
Balance at October 31, 2018	$	6,555		$	—	$	6,555

	Foreign currency translation adjustment, net of taxes			Unrealized gains (losses) on cash flow hedges, net of taxes			Total
(in thousands)
Balance at January 31, 2019	$	43,786		$	—		$	43,786
Other comprehensive income (loss) before reclassification	(39,090		)	220			(38,870		)
Reclassification of (gain) loss from AOCI into income	—			(142		)	(142		)
Balance at October 31, 2019	$	4,696		$	78		$	4,774

	Foreign currency translation adjustment, net of taxes			Unrealized gains (losses) on cash flow hedges, net of taxes		Total
(in thousands)
Balance at January 31, 2018	$	288,292		$	—	$	288,292
Other comprehensive income (loss) before reclassification	(276,664		)	—		(276,664		)
Reclassification of (gain) loss from AOCI into income	(5,073		)	—		(5,073		)
Balance at October 31, 2018	$	6,555		$	—	$	6,555