Share-Based Compensation (Tables)

9 Months Ended

Dec. 31, 2013

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

Summary of Restricted Shares

A summary of the Company's restricted shares and restricted stock units granted under the Plan is presented below:

Restricted Shares and Restricted Stock Units	Shares (in thousands)		Weighted- Average Grant-Date Fair Value
Nine months ended December 31, 2012:
Outstanding at March 31, 2012	363.4		$	9.92
Granted	128.9		13.59
Vested and issued	(27.0	)	7.16
Forfeited	(12.3	)	10.69
Outstanding at December 31, 2012	453.0		11.11
Vested at December 31, 2012	70.4		8.52
Nine months ended December 31, 2013:
Outstanding at March 31, 2013	421.3		$	11.01
Granted	126.6		30.19
Vested and issued	(59.7	)	8.42
Forfeited	(5.6	)	15.11
Outstanding at December 31, 2013	482.6		16.32
Vested at December 31, 2013	83.1		9.63

Stock Options, Valuation Assumptions

	Nine Months Ended December 31,
	2013			2012
Expected volatility	48.0		%	44.0		%
Expected dividends	$	—		$	—
Expected term in years	6.0			6.5
Risk-free rate	1.3		%	1.2		%

Stock Option Activity

A summary of option activity under the Plan is as follows:

Options	Shares (in thousands)		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value (in thousands)
Nine months ended December 31, 2012:
Outstanding at March 31, 2012	1,745.4		$	8.44
Granted	444.9		13.36
Exercised	(708.5	)	7.71
Forfeited or expired	(17.4	)	11.21
Outstanding at December 31, 2012	1,464.4		10.26		7.7	$	11,330
Exercisable at December 31, 2012	332.4		9.99		6.8	2,248
Nine months ended December 31, 2013:
Outstanding at March 31, 2013	1,386.4		$	10.43
Granted	227.7		29.94
Exercised	(589.9	)	9.73
Forfeited or expired	(14.2	)	14.56
Outstanding at December 31, 2013	1,010.0		15.18		7.6	$	20,828
Exercisable at December 31, 2013	172.1		11.34		6.8	4,210