Net Income per Common Share (Tables)

3 Months Ended

Apr. 30, 2016

Earnings Per Share [Abstract]

Schedule of reconciliation between basic and diluted net income per share

	Three Months Ended April 30,
	2016		2015
	(In thousands, except per share amounts)
Net income	$	2,771	$	6,760
Basic net income per share:
Basic common shares		45,549		44,965
Basic net income per share	$	0.06	$	0.15
Diluted net income per share:
Basic common shares		45,549		44,965
Restricted stock awards and stock options		1,393		1,245
Diluted common shares		46,942		46,210
Diluted net income per share	$	0.06	$	0.15