Stockholders' Equity - Stock Options Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Number of Shares (thousands)
Number of Shares, Outstanding at the beginning of the year		1,794	2,409	3,492
Number of shares, Granted		0	0	40
Number of Shares, Exercised		(25)	(53)	(662)
Number of Shares, Forfeited		(198)	(562)	(461)
Number of Shares, Outstanding at the end of the period			1,794	2,409
Number of Shares,Vested and exercisable at the end of the period		1,571
Weighted Average Exercise Price Per Share
Weighted Average Exercise Price Per Share, Outstanding at the beginning of the year (USD per share)		$ 9.15	$ 10.06	$ 10.26
Weighted Average Exercise Price Per Share, Granted (USD per share)		0.00	0.00	7.35
Weighted Average Exercise Price Per Share, Exercised (USD per share)		5.23	6.32	9.36
Weighted Average Exercise Price Per Share, Forfeited (USD per share)		11.48	13.31	12.35
Weighted Average Exercise Price Per Share, Outstanding at the end of the period (USD per share)		8.92	$ 9.15	$ 10.06
Weighted Average Exercise Price Per Share,Vested and exercisable at the end of the period (USD per share)		$ 8.92
Weighted Average Remaining Contractual Life, Outstanding at Period End (in years)		11 months 27 days
Weighted Average Remaining Contractual Life, Vested and exercisable at Period End (in years)		11 months 27 days
Aggregate Intrinsic Value, Exercises in Period	[1]	$ 0.0	$ 0.2	$ 1.8
Aggregate Intrinsic Value, Outstanding at Period End	[2]	0.0
Aggregate Intrinsic Value, Vested and exercisable at Period End		$ 0.0
Common stock closing price per share (USD per share)		$ 6.46

[1] The aggregate pre-tax intrinsic value is calculated as the difference between the market value on the date of exercise and the exercise price of the shares.

[2] The aggregate pre-tax intrinsic value is calculated as the difference between the market value as of March 31, 2016 and the exercise price of the shares. The closing price of the Company’s common stock was $6.46 on March 31, 2016.