Stock-Based Compensation (Tables)

12 Months Ended

Mar. 31, 2015

Stock-Based Compensation [Abstract]

Assumptions used in determining fair value of options

The Company estimated the fair value of option awards on the date of grant using the Black-Scholes option valuation model and the following assumptions:

	2015			2014			2013
Weighted average fair value of options	$	10.21		$	7.76		$	4.26
Expected life of awards in years		6.3			6.3			6.3
Risk-free interest rate		2.1	%		1.3	%		0.9	%
Expected volatility of the Company's stock		76.1	%		88.7	%		87.4	%
Expected dividend yield on the Company's stock		0.0	%		0.0	%		0.0	%

Summary of the stock option activity

A summary of stock option activity for fiscal 2015 was as follows:

	Shares			Weighted average exercise price		Weighted average remaining contractual term (years)		Aggregate intrinsic value
Outstanding, beginning		1.6		$	13.15
Granted		0.1			14.94
Exercised		(0.1	)		8.71
Forfeited or expired		(0.1	)		29.41
Outstanding, ending		1.5		$	11.99		5.3	$	5.7
Exercisable, March 31, 2015		1.2		$	12.13		4.5	$	4.9

Information related to stock options exercised

Additional information related to stock options exercised during fiscal 2015, 2014, and 2013 was as follows:

	2015		2014		2013
Intrinsic value of stock options exercised	$	0.4	$	1.1	$	0.1
Proceeds from stock options exercised	$	0.6	$	1.1	$	0.1

Summary of the restricted stock activity

A summary of restricted stock activity for fiscal 2015 was as follows:

	Shares			Weighted average price
Non-vested balance, beginning		0.6		$	8.66
Granted		0.3			14.92
Vested		(0.2	)		9.73
Non-vested balance, ending		0.7		$	10.68