Stock-based Compensation (Tables)

9 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Stock Option Plans Activity

The following table summarizes the activity under the Company’s Stock Option Plans for the nine months ended December 31, 2012:

	Number of Options Outstanding		Weighted Average Exercise Price per Share
Outstanding at March 31, 2012	3,673,862		$	15.40
Granted	734,500		10.85
Exercised	(545,406	)	7.67
Canceled	(171,992	)	13.36
Expired	(209,337	)	15.22
Outstanding at December 31, 2012	3,481,627		$	15.76

Black Scholes Model Weighted Average Assumptions

The weighted-average estimated fair value of options granted to employees and directors under the 2007 Equity Incentive Plan was $5.38 during the nine months ended December 31, 2012, using the Black-Scholes model with the following weighted average assumptions:

Risk-free interest rate	0.62% - 0.66
Dividend yield	—
Expected volatility	61.9	%
Expected life of the options (years)	4.5
Forfeitures	5.00	%

Summary of RSU Vesting Activity

The following table summarizes time vested RSU vesting activity for the nine months ended December 31, 2012:

Nonvested RSU’s	Shares		Weighted Average Grant-Date Fair Value
Nonvested at March 31, 2012	72,900		$	14.17
Granted	93,900		10.86
Vested	—		—
Forfeited	(7,000	)	10.86
Nonvested at December 31, 2012	159,800		$	12.37