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Shareholders' Equity

9 Months Ended

Oct. 31, 2018

9. Shareholders’ Equity

Share repurchase activity under the Company’s share repurchase programs was as follows:

	Three Months Ended				Nine Months Ended
	October 31,				October 31,
	2018		2017		2018		2017
Number of common shares repurchased and subsequently retired		1,500,000		3,083,201		1,500,000		8,092,906
Total cost	$	57,512	$	66,533	$	57,512	$	157,044
Average cost per share, including commissions	$	38.34	$	21.58	$	38.34	$	19.41

On February 23, 2015, the Company’s Board of Directors authorized the repurchase of 20,000,000 common shares under a share repurchase program; all shares were repurchased by the end of August 2017. On August 22, 2017, the Company’s Board of Directors authorized the repurchase of an additional 20,000,000 common shares under a share repurchase program, of which 16,402,153 common shares were remaining as of October 31, 2018.

During the nine months ended October 31, 2018, the Company acquired and subsequently retired 252,619 common shares at a total cost of $10,187 from employees to meet minimum statutory tax withholding requirements. During the nine months ended October 31, 2017, the Company acquired and subsequently retired 92,404 common shares at a total cost of $2,180 from employees to meet minimum statutory tax withholding requirements.