STOCK-BASED COMPENSATION (Tables)

3 Months Ended

Apr. 30, 2016

STOCK-BASED COMPENSATION

Summary of Activity under Option and Stock Plans

	Shares		Exercise Price		Remaining Term (years)	Fair Value
Outstanding, February 1, 2016	1,064		$	26.38	6.36	$	6.91
Granted	75		$	33.85
Exercised	(22	)	$	18.80
Outstanding, April 30, 2016	1,117		$	27.03	6.92	$	7.08
Exercisable, April 30, 2016	842		$	24.36	6.43	$	6.41

	Shares		Exercise Price		Remaining Term (years)	Fair Value
Outstanding, February 1, 2015	876		$	22.34	7.08	$	6.01
Granted	100		$	32.68
Exercised	(38	)	$	11.48
Forfeited	(6	)	$	17.33
Outstanding, April 30, 2015	932		$	23.92	7.32	$	6.38
Exercisable, April 30, 2015	707		$	21.01	6.82	$	5.72

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

	Shares		Fair Value
Nonvested, February 1, 2016	300		$	8.97
Granted	75		$	9.01
Vested	(100	)	$	8.55
Nonvested, April 30, 2016	275		$	9.13

	Shares		Fair Value
Nonvested, February 1, 2015	306		$	7.14
Granted	100		$	8.55
Vested	(181	)	$	6.28
Nonvested, April 30, 2015	225		$	8.45

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

	Three Months Ended April 30,
	2016		2015
Dividend yield	2.07	%	2.14	%
Expected volatility	34.08	%	34.63	%
Risk-free interest rate	1.02	%	1.40	%
Expected life in years	5.50		5.13