Note 11 Employee Equity Incentive Plans (Tables)

9 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months Ended December 31,				Nine Months Ended December 31,
Statement of Operations Classifications			2012		2011		2012		2011
		(unaudited)				(unaudited)
Selling, general and administrative expenses		$	726	$	1,131	$	2,857	$	2,713
Stock-based compensation effect in income before taxes			726		1,131		2,857		2,713
Provision for income taxes (1)			254		339		1,000		814
Net stock-based compensation effects in net income		$	472	$	792	$	1,857	$	1,899
________________
(1)	Estimated at a statutory income tax rate of 35% in fiscal year 2013 and 30% in fiscal year 2012.

Schedule of Employee Service Share-based Compensation, Fair Value Assumptions and Methodology [Table Text Block]

		Stock Options								Purchase Plan
		Three Months				Nine Months				Three Months				Nine Months
		Ended December 31,				Ended December 31,				Ended December 31,				Ended December 31,
			2012 (1)		2011		2012		2011		2012		2011		2012		2011
Weighted average estimated fair
	value of grant per share		na	$	6.36	$	5.21	$	6.43	$	2.81	$	3.88	$	3.22	$	3.14
Risk-free interest rate			na		1.1%		1.0%		1.4%		0.1%		0.1%		0.2%		0.2%
Expected term in years			na		6.0		6.3		5.8		0.5		0.5		0.5		0.5
Volatility			na		56.4%		55.4%		55.7%		46.0%		59.4%		46.4%		51.6%
Dividend yield			na		-		-		-		-		-		-		-
(1)	No stock options were granted during the quarter ended December 31, 2012.

Schedule of Share-based Compensation, Stock Options Activity [Table Text Block]

			Weighted Average
		Number of	Exercise Price			Intrinsic Value (1)
		Shares	Per Share
						(000)
Balance at March 31, 2012		5,472,004	$	9.75
	Options granted	205,000	$	9.85
	Options exercised	(102,969)	$	6.94	$	305
	Options cancelled	(39,925)	$	7.29
	Options expired	(378,975)	$	7.31
Balance at December 31, 2012		5,155,135	$	10.01
Exercisable at December 31, 2012		4,080,635	$	9.71
Exercisable at March 31, 2012		3,833,879	$	9.42
(1)	Represents the difference between the exercise price and the value of our common stock at the time of exercise.