Shareholders' Equity (Tables)

6 Months Ended

Jul. 31, 2015

Shareholders Equity [Abstract]

Class of Treasury Stock

The Company’s common share repurchase and issuance activity for the six months ended July 31, 2015 is summarized as follows:

	Shares		Weighted- average price per share
Treasury stock balance at January 31, 2015	21,866,069		$	42.95
Shares of common stock repurchased under share repurchase programs	1,893,838		58.13
Shares of treasury stock reissued	(180,271	)
Treasury stock balance at July 31, 2015	23,579,636		$	44.16