Stockholders' Equity - Stock Options (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014 Approved_Plan
Equity [Abstract]
Number of stockholder-approved plans	3
Number of plans unapproved by stockholders	4
Schedule of Option Activity Under Stock Incentive Plans
Number of Shares, Outstanding at the beginning of the year	2,409
Number of Shares, Granted	0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 0.00
Number of Shares, Exercised	(19)
Number of Shares, Forfeited	(106)
Number of Shares, Outstanding at the end of the period	2,284
Number of Shares, Vested at the end of the period	2,284
Number of Shares, Vested and exercisable at end of period	2,283
Schedule of Weighted Average Exercise Price Per Share Under Stock Incentive Plans
Weighted Average Exercise Price Per Share, Outstanding at the beginning of the year (USD per share)	$ 10.06
Weighted Average Exercise Price Per Share, Exercised (USD per share)	$ 5.83
Weighted Average Exercise Price Per Share, Forfeited (USD per share)	$ 11.65
Weighted Average Exercise Price Per Share, Outstanding at the end of the period (USD per share)	$ 10.02
Weighted Average Exercise Price Per Share, Vested at the end of the period (USD per share)	$ 10.02
Weighted Average Exercise Price Per Share, Vested and exercisable at the end of the period (USD per share)	$ 10.02
Aggregate pretax intrinsic value of options exercised	$ 0.1	[1]
Weighted average remaining contractual term for options outstanding at end of period (in years)	2 years 2 months 12 days
Aggregate intrinsic value of options outstanding at end of period	4.2	[2]
Weighted Average Remaining Contractual Life, Vested and expected to vest at end of period (in years)	2 years 2 months 12 days
Aggregate intrinsic value of options, Vested and expected to vest at end of period	4.2	[2]
Weighted Average Remaining Contractual Life, Vested and Exercisable at Period End (in years)	2 years 2 months 12 days
Aggregate intrinsic value of options, Vested and exercisable at end of period	$ 4.2	[2]
Common stock, closing price per share	$ 10.81

[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 the end of the first quarter 2014 and the exercise price of the shares. The closing price of the Company’s common stock was $10.81 on June 30, 2014.