STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Jan. 31, 2018

Schedule of activity under the Company's stock option plans

Summaries of activity under the Company’s stock option plans for the years ended January 31, 2018, 2017 and 2016, along with corresponding weighted average per share amounts, are presented below (shares in thousands):

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Term (years)	Weighted Average Fair Value
Outstanding, February 1, 2015	876		$	22.34	7.08	$	6.01
Granted	300		$	34.70
Exercised	(106	)	$	17.10
Forfeited	(6	)	$	17.33

Outstanding, January 31, 2016	1,064		$	26.38	6.36	$	6.91
Granted	270		$	57.88
Exercised	(622	)	$	25.57
Forfeited	(5	)	$	36.73

Outstanding, January 31, 2017	707		$	39.04	7.82	$	10.22
Granted	302		$	53.49
Exercised	(110	)	$	28.81
Forfeited	(10	)	$	71.75

Outstanding, January 31, 2018	889		$	44.83	7.91	$	11.74


Exercisable, January 31, 2018	587		$	40.39	7.03	$	10.80

Schedule of changes in the number of non-vested options to purchase shares of common stock

The changes in the number of non-vested options to purchase shares of common stock for the years ended January 31, 2018, 2017 and 2016, and the weighted average fair value per share for each number, are presented below (shares in thousands):

	Shares		Weighted Average Fair Value
Non-vested, February 1, 2015	306		$	7.14
Granted	300		$	8.97
Vested	(306	)	$	7.14

Non-vested, January 31, 2016	300		$	8.97
Granted	270		$	14.93
Vested	(300	)	$	8.97

Non-vested, January 31, 2017	270		$	14.93
Granted	302		$	13.55
Vested	(260	)	$	15.31
Forfeitures	(10	)	$	19.14

Non-vested, January 31, 2018	302		$	13.55

Summary of assumptions used to estimate fair value of stock options granted

	2018		2017		2016
Dividend yield	1.7	%	1.4	%	2.0	%
Expected volatility	37.3	%	34.6	%	34.8	%
Risk-free interest rate	1.8	%	1.7	%	1.3	%
Expected life (in years)	3.3		4.2		4.9