Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Total Adjustments	$ 0	$ 94
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent	(10,802)	10,126
Net income	7,706	11,656
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(11,246)	9,117
Change in derivatives qualifying as hedges, net of taxes of $55, $(522)	(164)	1,964
Change in pension liability and postretirement obligation, net of taxes of $(211), $279	608	(1,049)
Adjustments for unrealized gain (loss) on investments (See Note 6):
Unrealized holding gain (loss) arising during the period, net of taxes of $0, $(25)	0	94
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (3,096)	$ 21,782