Note 9 Pension Plans (Tables)

12 Months Ended

Mar. 31, 2015

Pension and Other Postretirement Benefits Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	Year Ended March 31,
	2015		2014		2013
Service cost	$	104	$	108	$	96
Interest cost on projected benefit obligation		1,803		1,886		1,890
Expected return on plan assets		(1,910)		(1,685)		(1,517)
Recognized actuarial loss		179		236		167
Net periodic pension expense	$	176	$	545	$	636

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	Net Amount Recognized (in thousands):
			Year Ended March 31,
			2015		2014
Change in projected benefit obligation
	Projected benefit obligation at the beginning of the year		$	44,558	$	41,459
		Service cost		104		108
		Interest cost		1,803		1,886
		Actuarial (gain) loss		9,036		(636)
		Benefits paid		(1,467)		(1,498)
		Foreign currency adjustment		(6,688)		3,239
	Projected benefit obligation at year end		$	47,346	$	44,558
Change in plan assets
	Fair value of plan assets at the beginning of the year		$	29,013	$	25,129
		Actual return on plan assets		4,306		1,711
		Employer contribution		1,089		1,022
		Benefits paid from assets		(970)		(1,030)
		Foreign currency adjustment		(3,324)		2,181
	Plan assets at fair value at year end		$	30,114	$	29,013
	Unfunded status of the plan at year end		$	(17,232)	$	(15,545)
Pension liability recognized on the balance sheet due after one year			$	17,232	$	15,545
Plans with projected benefit obligation and accumulated benefit obligation in excess of plan assets:
		Projected benefit obligation at year end	$	47,346	$	44,558
		Accumulated benefit obligation at year end	$	46,695	$	43,910
		Plan assets at fair value at year end	$	30,114	$	29,013
Amounts recognized in accumulated other comprehensive income (loss):
		Unrecognized actuarial loss, before tax	$	(12,354)	$	(7,743)
Amount recognized as component of stockholders’ equity – pretax			$	(12,354)	$	(7,743)
Accumulated benefit obligation at year end			$	46,695	$	43,910

Schedule of Assumptions Used [Table Text Block]

	Weighted average actuarial assumptions used to determine benefit obligations for the plans were as follows:
		Year End March 31,
		2015	2014
Discount rate		1.8-4.8%	3.4-4.8%
Expected long term rate of return on assets		5.6-7.0%	6.8-7.0%
Salary scale		6.0%	1.5-6.0%

Schedule of Allocation of Plan Assets [Table Text Block]

	March 31, 2015								March 31, 2014
Description	Level 1		Level 2		Level 3			Total	Level 1		Level 2		Level 3			Total
Cash and cash funds	$	2,588	$	-	$	-	$	2,588	$	1,523	$	-	$	-	$	1,523
Currency contracts		-		(30)		-		(30)		-		(4)		-		(4)
Equity		19,997		652		7		20,656		20,946		439		2		21,387
Fixed interest		861		5,887		1		6,749		749		5,323		1		6,073
Mortgage backed securities		-		16		-		16		-		15		-		15
Swaps and other		2		133		-		135		1		18		-		19
Total	$	23,448	$	6,658	$	8	$	30,114	$	23,219	$	5,791	$	3	$	29,013

Schedule of Expected Benefit Payments [Table Text Block]

Fiscal Year Ended:	Benefit Payment
March 31, 2016	$	1,441
March 31, 2017		1,670
March 31, 2018		1,664
March 31, 2019		1,792
March 31, 2020		1,935
Five fiscal years ended March 31, 2025		10,151
Total benefit payments for the ten fiscal years ended March 31, 2025	$	18,653