Shareholders' Equity (Tables)

9 Months Ended

Oct. 31, 2018

Shareholders Equity [Abstract]

Class of Treasury Stock

The Company’s common share issuance activity for the nine months ended October 31, 2018 is summarized as follows:

	Shares		Weighted-average price per share
Treasury stock balance at January 31, 2018	21,083,972		$	44.59
Shares of treasury stock repurchased	621,440		70.48
Shares of treasury stock reissued for equity incentive plans	(198,021	)
Treasury stock balance at October 31, 2018	21,507,391		$	45.34