Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Net income	$ 7,227	$ 7,861	$ 13,690	$ 25,193
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(4,667)	(5,627)	(2,257)	(13,645)
Change in derivatives qualifying as hedges, net of taxes of $(432), $(18), $(296), and $(133)	802	53	550	257
Change in pension liability and postretirement obligation, net of taxes of $(83), $(74), $0, and $(216)	153	138	0	402
Adjustments for unrealized (gain) loss on investments:
Unrealized holding gain (losses) arising during the period, net of tax	145	103	(469)	386
Reclassification adjustment for gain (loss) included in net income, net of taxes of $(1), $298, $(83), and $413	2	(553)	153	(768)
Net change in unrealized (gain) loss on investments	147	(450)	(316)	(382)
Total other comprehensive income (loss)	(3,565)	(5,886)	(2,023)	(13,368)
Comprehensive income	$ 3,662	$ 1,975	$ 11,667	$ 11,825