Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 8,391	$ (7,263)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(8,701)	2,076
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	146	(97)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent	(5,866)	2,075
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	2,525	(5,188)
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, before Tax	(49)	34
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	2,689	96
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(812)	(31)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	775,181	724,453
AOCI Attributable to Parent
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	0	0
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(8,701)	2,076
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	146	(97)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	2,689	96
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, after Tax	(146)	97
Retained Earnings
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	8,391	(7,263)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	$ 0	$ 0