STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Oct. 31, 2015

STOCK-BASED COMPENSATION

Summary of Activity under Company's Stock Option Plans

	Shares		Weighted Average  Exercise Price		Weighted Average Remaining Term (years)	Weighted Average Fair Value
Outstanding, February 1, 2015	876,350		$	22.34	7.08	$	6.01
Granted	240,000		$	35.76
Exercised	(96,450	)	$	17.31
Forfeited	(6,000	)	$	17.33
Outstanding, October 31, 2015	1,013,900		$	26.03	6.98	$	6.82
Exercisable, October 31, 2015	668,900		$	21.92	6.34	$	5.81

	Shares		Weighted  Average  Exercise  Price		Weighted  Average  Remaining  Term (years)	Weighted  Average  Fair Value
Outstanding, February 1, 2014	916,150		$	17.36	6.04	$	5.58
Granted	220,500		$	28.84
Exercised	(243,300	)	$	15.96
Outstanding, October 31, 2014	893,350		$	20.57	6.52	$	5.87
Exercisable, October 31, 2014	597,850		$	16.73	5.77	$	5.58

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

	Shares		Weighted Average Fair Value
Nonvested, February 1, 2015	305,500		$	7.14
Granted	240,000		$	9.13
Vested	(220,500	)	$	6.60
Nonvested, October 31, 2015	325,000		$	8.97

	Shares		Weighted Average Fair Value
Nonvested, February 1, 2014	303,000		$	4.40
Granted	220,500		$	6.60
Vested	(228,000	)	$	3.85
Nonvested, October 31, 2014	295,500		$	6.47

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

	Nine Months Ended October 31,
	2015		2014
Dividend yield	1.97	%	2.61	%
Expected volatility	34.72	%	33.49	%
Risk-free interest rate	1.26	%	1.20	%
Expected life in years	4.69		4.67