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Share Based Compensation (Tables)

12 Months Ended

Jan. 31, 2013

Activity for time-vested RSUs under the Plan in fiscal 2013 was as follows:



	Number of restricted stock units		Weighted average grant date fair value
Outstanding, January 31, 2012	—		$	—
Granted	21,120		31.66
Vested	—		—
Forfeited	(480	)	31.66
Outstanding, January 31, 2013	20,640		$	31.66

Activity for performance-based RSUs under the Plan in fiscal 2013 was as follows:



	Number of restricted stock units expected to vest		Weighted average grant date fair value
Outstanding, January 31, 2012	—		$	—
Granted	50,940		31.66
Vested	—		—
Forfeited	(1,264	)	31.66
Performance-based adjustment	16,557		31.66
Outstanding, January 31, 2013	66,233		$	31.66

The compensation cost and related income tax benefit for these plans were as follows:



	For the years ended January 31,
	2013		2012		2011
Share-based compensation cost	$	3,075	$	1,922	$	1,179
Tax benefit	1,057		547		272

The weighted average assumptions used for the Black-Scholes option pricing model by grant year are as follows:



	For the years ended January 31,
	2013			2012			2011
Risk-free interest rate	0.86		%	0.67		%	1.46		%
Expected dividend yield	1.33		%	1.2		%	1.49		%
Expected volatility factor	49.62		%	51.44		%	49.33		%
Expected option term (in years)	3.75			4.00			4.50

Weighted average grant date fair value	$	10.92		$	11.05		$	7.85

Outstanding stock options as of January 31, 2013 and activity for the year then ended are presented below:



	Number of options		Weighted average exercise price		Aggregate intrinsic value		Weighted average remaining contractual term (years)
Outstanding, January 31, 2012	990,882		$	20.87
Granted	158,800		31.57
Exercised	(160,449	)	16.20
Forfeited	(70,354	)	23.98
Expired	(8,250	)	16.11
Outstanding, January 31, 2013	910,629		$	23.36	$	4,716	2.88

Outstanding exercisable, January 31, 2013	401,780		$	18.65	$	3,514	2.12

Outstanding stock units as of January 31, 2013 and changes during the year then ended are presented below: