Shareholders' Equity (Tables)

12 Months Ended

Jan. 31, 2015

Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Stock options outstanding that were excluded from the diluted share calculation because their impact was antidilutive at the end of 2014, 2013, and 2012 were as follows:

(In millions)	2014	2013	2012
Antidilutive stock options excluded from dilutive share calculation	1.1	2.8	1.9

Schedule of Stock by Class [Table Text Block]

A reconciliation of the number of weighted-average common shares outstanding used in the basic and diluted earnings per share computations is as follows:

(In thousands)	2014	2013	2012
Weighted-average common shares outstanding:
Basic	54,935	57,415	59,852
Dilutive effect of share-based awards	617	543	624
Diluted	55,552	57,958	60,476

Dividends Declared [Table Text Block]

The Company declared and paid cash dividends per common share during the periods presented as follows:

	Dividends Per Share		Amount Declared		Amount Paid
2014:			(in thousands)		(in thousands)
Fourth quarter	$	0.17	$	9,230	$	9,005
Third quarter	0.17		9,718		9,457
Second quarter	0.17		9,585		9,366
Total	$	0.51	$	28,533	$	27,828