Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Net income		$ 8,984	$ 19,579	$ 27,190
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments		(9,379)	3,650	(29,907)
Pension liability adjustments, net of taxes of $(6,043), $4,635, and $12,409		9,453	(5,394)	(19,724)
Other post retirement obligations adjustments, net of taxes of $(317), $(372), and $233		524	604	(371)
Split-dollar life insurance arrangement adjustments, net of taxes of $(82), $(66), and $42		131	105	(67)
Change in derivatives qualifying as hedges, net of taxes of $900, $430, and $233		(3,514)	(1,031)	(334)
Change in investments:
Unrealized holding (loss) gain arising during the period, net of taxes of $(93), $43, and $(234)	[1]	173	(79)	433
Reclassification adjustment for gain included in net income, net of taxes of $56, $83, and $723	[1]	(105)	(154)	(1,342)
Net change in unrealized gain (loss) on investments		68	(233)	(909)
Total other comprehensive income (loss)		(2,717)	(2,299)	(51,312)
Comprehensive income (loss)		$ 6,267	$ 17,280	$ (24,122)

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