Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Net income	$ 42,577	$ 22,065	$ 8,984
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(16,708)	21,717	(9,379)
Pension liability adjustments, net of taxes of $2,242, $(4,981), and $(6,043)	(5,711)	12,047	9,453
Other post retirement obligations adjustments, net of taxes of $(126), $(153), and $(317)	475	484	524
Split-dollar life insurance arrangement adjustments, net of taxes of $(18), $(70), and $(82)	69	206	131
Change in derivatives qualifying as hedges, net of taxes of $469, $(1,519), and $900	(1,037)	3,563	(3,514)
Change in investments:
Unrealized holding (loss) gain arising during the period, net of taxes of $0, $(124), and $(93)	0	189	173
Reclassification adjustment for gain included in net income, net of taxes of $0, $0, and $56	0	0	(105)
Net change in unrealized gain (loss) on investments	0	189	68
Total other comprehensive income (loss)	(22,912)	38,206	(2,717)
Comprehensive income	$ 19,665	$ 60,271	$ 6,267