Stock Option Plans (Tables)

12 Months Ended

Jan. 31, 2014

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Fair Value Option Award

The assumptions for the periods indicated are noted in the following table.

Weighted average Black-Scholes-Merton fair value assumptions

	Years Ended January 31,
	2014	2013	2012
Risk free interest rate	0.83%	0.58 - 0.78%	1.52 - 2.00%
Expected life	5.62 yrs	3.28 - 6.60 yrs	2.85 - 4.89 yrs
Expected volatility	60%	59 - 60%	54 - 55%
Expected dividend yield	0.0%	0.0%	0.0%

Summary of Company's Stock Option Activity

The following table presents a summary of the Company’s stock option activity for the fiscal year ended January 31, 2014:

	Number of Shares (in thousands)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in  thousands)
Outstanding, January 31, 2013		1,427		$	11.37
Granted		100			14.63
Exercised		(91	)		5.61
Forfeited		—			—
Expired		—			—
Outstanding, January 31, 2014		1,436		$	12.04		4.74	$	5,630
Exercisable at January 31, 2014		1,304		$	11.65		4.27	$	5,583
Vested and expected to vest at January 31, 2014		1,429		$	12.03		4.72	$	5,628

Restricted Stock and Changes During Period

Restricted stock as of January 31, 2014 and changes during the fiscal year ended January 31, 2014 were as follows:

	Year Ended January 31, 2014
	Number of Shares (in thousands)			Weighted Average Grant Date Fair Value
Unvested, beginning of period		36			17.59
Granted		53			15.10
Vested		(23	)		16.76
Canceled		—			—
Unvested, end of period		66			15.89