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Stockholders' Equity (Tables)

12 Months Ended

Jan. 31, 2013

Information Regarding All Stock Options

Information regarding all stock options for fiscal 2013, 2012 and 2011 is as follows:

		2013								2012								2011
		Shares				Weighted Average Exercise Price				Shares				Weighted Average Exercise Price				Shares				Weighted Average Exercise Price
	Stock options outstanding at beginning of year												417,722												$	16.59				514,190			$	14.54				817,050			$	11.23
	Exercised												(120,518				)								$	11.82				(60,668	)		$	10.21				(339,010	)		$	8.23
	Granted												85,000												$	28.72				40,000			$	27.13				38,000			$	29.59
Cancelled or forfeited			(150	)		$	18.40				(75,800	)		$	13.35				(1,850	)		$	18.40
Stock options outstanding at end of year			382,054			$	20.79				417,722			$	16.59				514,190			$	14.54
Exercisable			224,121			$	16.89				245,556			$	14.18				260,990			$	12.32

Summary of Information about Stock Options Outstanding

The following table summarizes information about stock options outstanding:

Range of Exercise Prices		Number Outstanding  as of January 31, 2013				Weighted Average Remaining Contractual Life				Weighted Average Exercise Price				Number Exercisable  as of January 31, 2013				Weighted Average Exercise Price
	$3.00 - $ 8.00												22,100										1.09			$	6.23				22,100			$	6.23
	$8.01 - $ 12.00												19,200										5.51			$	10.28				12,000			$	9.80
	$12.01 - $ 16.00												68,900										5.12			$	13.92				56,300			$	13.78
$16.01 - $ 40.00			271,854				6.77			$	24.46				133,721			$	20.60
			382,054												224,121

Weighted Average Assumptions Used in Black-Scholes Option Pricing Model

The following table summarizes the weighted average assumptions used in the Black-Scholes option pricing model for grants in fiscal 2013, 2012 and 2011, respectively:

		2013		2012		2011
Expected stock price volatility		58.2% - 68.5%		68.5%		64.1%
Expected lives of options
Directors and officers		7 years		7 years		7 years
Employees		6 years		6 years		6 years
Risk-free interest rate		0.3% - 0.6%		1.2%		2.3% - 3.4%
Expected dividend yield		0%		0%		0%

Restricted Stock

Restricted Stock

		Awards Outstanding				Weighted Average Grant Date Fair Value
Unvested as of January 31, 2011			658,882			$	13.86
Granted			437,850			$	30.80
Vested			(162,332	)		$	9.16
Canceled			(8,500	)		$	24.03
Unvested as of January 31, 2012			925,900			$	22.60
Granted			358,985			$	35.18
Vested			(226,341	)		$	12.54
Canceled			(1,813	)		$	29.28
Unvested as of January 31, 2013			1,056,731			$	29.01

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