CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 4,981	$ (34,037)	$ 31,811	$ (18,221)
Other comprehensive income (loss):
Foreign currency translation adjustments	(1,582)	(134)	(3,024)	3,503
Cash flow hedging activity, net of taxes of $67, $(57), $0 and $(38), respectively	(254)	106	(2)	72
Pension and other postretirement effects, net of taxes of $(11), $(5), $(17) and $9, respectively	41	9	63	(17)
Other comprehensive (loss) income	(1,795)	(19)	(2,963)	3,558
Comprehensive income (loss)	$ 3,186	$ (34,056)	$ 28,848	$ (14,663)