Consolidated Statements of Comprehensive Income Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2022	Mar. 31, 2021
Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), Reclassification Adjustment from AOCI, before Tax	$ (56)	$ (49)	$ (74)	$ 34
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	14,114		15,203	(7,263)	$ 22,505	$ 7,940
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(10,781)	(8,701)	(4,226)	2,076
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	(1,509)	(812)	986	(31)	(2,375)	955
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	(166)	(146)	(212)	97
Stock Issued During Period, Value, Stock Options Exercised	206	415	1,122	290
Stock-based compensation		751		2,262	3,629	5,504
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 62	$ 1,313	$ 147	$ 1,765
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	31,313	52,276	32,665	58,081
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	9,531	18,907	38,744	12,682			138,000
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	$ 4,686	$ 2,689	$ (2,995)	$ 96
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	784,384	775,181	735,158	724,453	784,384	735,158	$ 772,803	$ 530,149
Retained Earnings
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	14,114	8,391	15,203	(7,263)	22,505	7,940
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	0	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	0	0	0	0
Stock Issued During Period, Value, Stock Options Exercised	0	0	0	0
Stock-based compensation	0	0	0	0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0	0	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	0	0	0	0
AOCI Attributable to Parent
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	0	0	0	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(10,781)	(8,701)	(4,226)	2,076	(19,482)	(2,150)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	(166)	(146)	(212)	97	(312)	(115)
Stock Issued During Period, Value, Stock Options Exercised	0	0	0	0
Stock-based compensation	0	0	0	0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0	0	0	0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	4,686	2,689	(2,995)	96	$ 7,375	$ (2,899)
Common Stock [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	0	0	0	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	0	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	0	0	0	0
Stock Issued During Period, Value, Stock Options Exercised	0	0		0
Stock-based compensation	0	0	0	0
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	0	(1)	0	1
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	0	0	0	0
Additional Paid-in Capital [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	0	0	0	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	0	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent	0	0	0	0
Stock Issued During Period, Value, Stock Options Exercised	206	415	1,122	290
Stock-based compensation	2,341	751	2,762	2,262
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	62	1,314	147	1,766
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	$ 0	$ 0	$ 0	$ 0