Share Based Compensation (Tables)

9 Months Ended

Oct. 31, 2013

Share-based Compensation [Abstract]

Weighted average assumptions by grant year

The fair values of options granted were estimated using the following weighted average assumptions:

	Nine Months Ended
	October 31, 2013		October 31, 2012
Risk-free interest rate	0.59	%	0.86	%
Expected dividend yield	1.46	%	1.33	%
Expected volatility factor	41.39	%	49.62	%
Expected option term (in years)	3.75		3.75