Stock-Based Compensation (Tables)

12 Months Ended

Jan. 31, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Activity under Option and Stock Plans

A summary of activity under the Option and Stock Plans for the three years ended January 31, 2014 is presented below:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Term (years)		Weighted Average Fair Value
Outstanding, February1, 2011		675,724		$	11.29		5.78	$	5.79
Granted		212,500		$	13.92
Exercised		(55,038	)	$	9.36
Forfeited		(16,000	)	$	11.36
Outstanding, January 31, 2012		817,186		$	12.10		4.94	$	5.68
Granted		293,000		$	17.36
Exercised		(153,962	)	$	9.33
Forfeited		(30,000	)	$	8.66
Outstanding, January 31, 2013		926,224		$	14.34		5.39	$	5.93
Granted		303,000		$	21.32
Exercised		(309,074	)	$	12.20
Forfeited		(4,000	)	$	17.33
Outstanding, January 31, 2014		916,150		$	17.36		6.04	$	5.58
Exercisable, January 31, 2014		613,150		$	15.40		5.09	$	6.15

Summary of Change in Number of Non-Vested Options to Purchase Shares of Common Stock

A summary of the change in the number of shares of common stock subject to non-vested options to purchase such shares for the three years ended January 31, 2014 is presented below:

	Shares			Weighted Average Fair Value
Non-vested, February 1, 2011		237,000		$	6.31
Granted		212,500		$	5.09
Vested		(232,000	)	$	6.34
Forfeited (non-vested)		(5,000	)	$	4.98
Non-vested, January 31, 2012		212,500		$	5.09
Granted		293,000		$	5.65
Vested		(112,000	)	$	4.51
Forfeited (non-vested)		(5,000	)	$	6.32
Non-vested, January 31, 2013		388,500		$	5.67
Granted		303,000		$	4.40
Vested		(384,500	)	$	5.67
Forfeited (non-vested)		(4,000	)	$	5.71
Non-vested, January 31, 2014		303,000		$	4.40

Summary of Assumptions Used to Estimate Fair Value of Stock Options Granted

The fair value amounts per share of options to purchase shares of the Company’s common stock awarded during the fiscal years ended January 31, 2014, 2013 and 2012 were determined at the dates of grant using the following weighted-average assumptions:

	2014	2013	2012
Risk-free interest rate	1.33%	1.93%	2.57%
Expected volatility	32.73%	35.51%	44.88%
Expected life	4.70 years	4.56 years	4.26 years
Dividend yield	3.39%	—  %	—  %