Earnings per Share (Tables)

9 Months Ended

Oct. 31, 2012

Earnings per Share [Abstract]

Basic and diluted weighted average common shares used in the earnings per share calculation

The following table presents the calculation of basic and diluted weighted average common shares used in the earnings per share calculation:

	Three Months Ended October 31,				For the Nine Months Ended October 31,
	2012		2011		2012		2011
	(in thousands)				(in thousands)
Basic weighted average common shares outstanding		12,771		12,381		12,687		11,091
Stock options		415		586		558		581
Unvested restricted stock		20		15		19		17
Total weighted average common share equivalents		435		601		577		598
Diluted weighted average common shares outstanding		13,206		12,982		13,264		11,689