Note 11 Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Mar. 31, 2015

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

The components and the changes in accumulated other comprehensive income (loss), net of tax, were as follows (in thousands):
			Foreign Currency		Unrealized Gains on Securities		Defined Benefit Pension Plans		Accumulated Other Comprehensive Income (Loss)
Balance as of March 31, 2012			$	6,472	$	(68)	$	(4,314)	$	2,090
	Other comprehensive loss
		before reclassifications		(3,490)		(672)		(1,957)		(6,119)
	Net loss reclassified from
		accumulated other
		comprehensive income (loss)		-		800		136		936
	Net current period other
		comprehensive income (loss)		(3,490)		128		(1,821)		(5,183)
Balance as of March 31, 2013				2,982		60		(6,135)		(3,093)
	Other comprehensive income
		before reclassifications		7,553		361		89		8,003
	Net losses (gains) reclassified from
		accumulated other
		comprehensive income (loss)		-		(96)		215		119
	Net current period other
		comprehensive income		7,553		265		304		8,122
Balance as of March 31, 2014				10,535		325		(5,831)		5,029
	Other comprehensive loss
		before reclassifications		(24,112)		(1,536)		(3,830)		(29,478)
	Net losses reclassified from
		accumulated other
		comprehensive income (loss)		-		1,218		143		1,361
	Net current period other
		comprehensive loss		(24,112)		(318)		(3,687)		(28,117)
Balance as of March 31, 2015			$	(13,577)	$	7	$	(9,518)	$	(23,088)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

The amounts reclassified out of accumulated other comprehensive income (loss) for the fiscal year 2015, 2014 and 2013 are as follows (in thousands):
	Year Ended March 31,
	2015		2014		2013
Accumulated Other Comprehensive Income Components	Amount Reclassified from Accumulated Other Comprehensive Income						Impacted Line Item on Consolidated Statements of Operations
Net gain on sales of investments	$	30	$	155	$	111	Other income (expense), net
Impairment of marketable securities		(1,903)		(7)		(1,342)	Other income (expense), net
Recognized actuarial loss		(179)		(236)		(167)	Cost of goods sold
Subtotal		(2,052)		(88)		(1,398)	Income before income tax provision
Tax impact		691		(31)		462	Provision for income tax
Total reclassifications for the period	$	(1,361)	$	(119)	$	(936)	Net income