Note 9 - Pension Plans (Tables)

12 Months Ended

Mar. 31, 2016

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Year Ended March 31,
	2016			2015			2014
Service cost	$	101		$	104		$	108
Interest cost on projected benefit obligation		1,450			1,803			1,886
Expected return on plan assets		(1,721	)		(1,910	)		(1,685	)
Recognized actuarial loss		438			179			236
Net periodic pension expense	$	268		$	176		$	545

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Net Amount Recognized (in thousands)
	Year Ended March 31,
	2016			2015
Change in projected benefit obligation
Projected benefit obligation at the beginning of the year	$	47,346		$	44,558
Service cost		101			104
Interest cost		1,450			1,803
Actuarial (gain) loss		(1,549	)		9,036
Benefits paid		(1,830	)		(1,467	)
Foreign currency adjustment		(497	)		(6,688	)
Projected benefit obligation at year end	$	45,021		$	47,346
Change in plan assets
Fair value of plan assets at the beginning of the year	$	30,114		$	29,013
Actual return (loss) on plan assets		(156	)		4,306
Employer contribution		1,009			1,089
Benefits paid from assets		(1,388	)		(970	)
Foreign currency adjustment		(865	)		(3,324	)
Plan assets at fair value at year end	$	28,714		$	30,114
Unfunded status of the plan at year end	$	16,307		$	17,232
Pension liability recognized on the balance sheet due after one year	$	16,307		$	17,232
Plans with projected benefit obligation and accumulated benefit obligation in excess of plan assets:
Projected benefit obligation at year end	$	45,021		$	47,346
Accumulated benefit obligation at year end	$	44,509		$	46,695
Plan assets at fair value at year end	$	28,714		$	30,114
Amounts recognized in accumulated other comprehensive income (loss):
Unrecognized actuarial loss, before tax	$	(12,140	)	$	(12,354	)
Amount recognized as component of stockholders’ equity – pretax	$	(12,140	)	$	(12,354	)
Accumulated benefit obligation at year end	$	44,509		$	46,695

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,
			2016			2015
Discount rate	1.9	-	4.6%	1.8	-	4.8%
Expected long term rate of return on assets	4.4	-	7.0%	5.6	-	7.0%
Salary scale		5.0%			6.0%

Defined Benefit Plan Plan Assets Fair Value [Table Text Block]

	March 31, 2016								March 31, 2015
Description	Level 1		Level 2		Level 3		Total		Level 1		Level 2			Level 3		Total
Cash and cash funds	$	121	$	-	$	-	$	121	$	2,588	$	-		$	-	$	2,588
Currency contracts		-		-		-		-		-		(30	)		-		(30	)
Equity		351		-		-		351		19,997		652			7		20,656
Fixed interest		1,225		96		-		1,321		861		5,887			1		6,749
Mutual Funds		13,527		13,394		-		26,921		-		-			-		-
Mortgage backed securities		-		-		-		-		-		16			-		16
Swaps and other		-		-		-		-		2		133			-		135
Total	$	15,224	$	13,490	$	-	$	28,714	$	23,448	$	6,658		$	8	$	30,114

Schedule of Expected Benefit Payments [Table Text Block]

Fiscal Year Ended:	Benefit Payment
March 31, 2017	$	1,597
March 31, 2018		1,625
March 31, 2019		1,774
March 31, 2020		1,815
March 31, 2021		1,842
Five fiscal years ended March 31, 2026		10,069
Total benefit payments for the ten fiscal years ended March 31, 2026	$	18,722