Stock-Based Compensation (Details 2) (Stock Options, USD $)	12 Months Ended
	Mar. 31, 2014
Stock Options
Options
Outstanding at the beginning of the period (in shares)	1,817,000
Granted (in shares)	312,000
Exercised (in shares)	(89,000)
Forfeited (in shares)	(280,000)
Expired (in shares)	(109,000)
Outstanding at the end of the period (in shares)	1,651,000
Exercisable (in shares)	1,000,000
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 11.64
Granted (in dollars per share)	$ 5.89
Exercised (in dollars per share)	$ 2.82
Forfeited (in dollars per share)	$ 12.34
Expired (in dollars per share)	$ 38.43
Outstanding at the end of the period (in dollars per share)	$ 9.15
Exercisable (in dollars per share)	$ 11.30
Remaining weighted average contractual life of options exercisable (years)	5 years 4 months 24 days
Remaining weighted average contractual life of options outstanding (years)	6 years 7 months 6 days