Note 12 Employee Equity Incentive Plans (Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Dec. 31, 2013		Mar. 31, 2013
Options Outstanding Intrinsic Value [Abstract]
Aggregate Intrinsic Value, Exercised	$ 1,168	[1]
Share-based Compensation Arrangement by Share-based Payment Award Options Weighted Average Exercise Price Per Share [Abstract]
Options Outstanding	$ 10.13		$ 10.04
Options Granted	$ 9.27
Options Exercised	$ 7.87
Options Cancelled	$ 11.42
Options Expired	$ 9.96
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Number of Shares, Exercisable	4,061,923		4,065,473
Weighted Average Exercise Price Per Share, Exercisable	$ 10.00		$ 9.74
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of Shares Outstanding, Beginning Balance	5,327,473
Options Granted	239,000
Options Exercised	(323,050)
Options Cancelled	(34,000)
Options Expired	(6,500)
Number of Shares Outstanding, Ending Balance	5,202,923

[1] Represents the difference between the exercise price and the value of our common stock at the time of exercise.