Stockholders' Equity (Tables)

6 Months Ended

Jul. 31, 2011

Stockholders' Equity [Abstract]

Dividend Declared

Date	Dividend Amount		Stockholders of
Declared	per Share		Record Date	Payment Date
March 23, 2011	$	0.125	April 29, 2011	May 13, 2011
June 15, 2011	$	0.14	July 29, 2011	August 12, 2011