Note 11 Employee Equity Incentive Plans (Share-based Compensation) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Mar. 31, 2013	Mar. 31, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Selling, General and Administrative Expenses	$ 1,095		$ 784
Stock-based Compensation Effect in Income Before Taxes	1,095		784
Provision for Income Taxes	383	[1]	282	[1]
Net Stock-based Compensation Effects in Net Income	$ 712		$ 502
Estimated Statutory Income Tax Rate					35.00%	36.00%

[1] Estimated at a statutory income tax rate of 35% in fiscal year 2013 and 36% in fiscal year 2012.