CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Directors	Common Stock	Treasury Stock	Additional  Paid-in Capital	Additional  Paid-in Capital Directors	Retained Earnings	Accumulated Other  Comprehensive  Loss
Beginning balance at Mar. 31, 2023	$ 833,797		$ 286	$ (1,001)	$ 515,797		$ 356,758	$ (38,043)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	9,275						9,275
Change in foreign currency translation adjustment	2,901							2,901
Change in derivatives qualifying as hedges, net of tax	541							541
Change in pension liability and postretirement obligations, net of tax	42							42
Stock options exercised	225				225
Stock compensation expense	1,981				1,981
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(1,805)		1		(1,806)
Ending balance at Jun. 30, 2023	846,957		287	(1,001)	516,197		366,033	(34,559)
Beginning balance at Mar. 31, 2023	833,797		286	(1,001)	515,797		356,758	(38,043)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	34,816
Change in derivatives qualifying as hedges, net of tax	(3,930)
Change in pension liability and postretirement obligations, net of tax	4,429
Ending balance at Dec. 31, 2023	878,437		288	(1,001)	522,587		387,550	(30,987)
Beginning balance at Jun. 30, 2023	846,957		287	(1,001)	516,197		366,033	(34,559)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	15,813						15,813
Dividends declared	(2,012)						(2,012)
Change in foreign currency translation adjustment	(9,683)							(9,683)
Change in derivatives qualifying as hedges, net of tax	(265)							(265)
Change in pension liability and postretirement obligations, net of tax	(208)							(208)
Stock options exercised	265				265
Stock compensation expense	2,696	$ 587			2,696	$ 587
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(152)				(152)
Ending balance at Sep. 30, 2023	853,998		287	(1,001)	519,593		379,834	(44,715)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	9,728						9,728
Dividends declared	(2,012)						(2,012)
Change in foreign currency translation adjustment	13,339							13,339
Change in derivatives qualifying as hedges, net of tax	(4,206)							(4,206)
Change in pension liability and postretirement obligations, net of tax	4,595							4,595
Stock options exercised	66				66
Stock compensation expense	2,916	293			2,916	293
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(280)		1		(281)
Ending balance at Dec. 31, 2023	878,437		288	(1,001)	522,587		387,550	(30,987)
Beginning balance at Mar. 31, 2024	882,063		288	(1,001)	527,125		395,328	(39,677)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	8,629						8,629
Change in foreign currency translation adjustment	(3,420)							(3,420)
Change in derivatives qualifying as hedges, net of tax	(885)							(885)
Change in pension liability and postretirement obligations, net of tax	(31)							(31)
Stock options exercised	64				64
Stock compensation expense	1,101				1,101
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(1,715)		1		(1,716)
Ending balance at Jun. 30, 2024	885,806		289	(1,001)	526,574		403,957	(44,013)
Beginning balance at Mar. 31, 2024	882,063		288	(1,001)	527,125		395,328	(39,677)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,454)
Change in derivatives qualifying as hedges, net of tax	(3,816)
Change in pension liability and postretirement obligations, net of tax	19,958
Repurchase of treasury shares	(9,945)
Ending balance at Dec. 31, 2024	871,580		286	(10,945)	532,271		388,851	(38,883)
Beginning balance at Jun. 30, 2024	885,806		289	(1,001)	526,574		403,957	(44,013)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(15,043)						(15,043)
Dividends declared	(2,022)						(2,022)
Change in foreign currency translation adjustment	12,737							12,737
Change in derivatives qualifying as hedges, net of tax	(3,462)							(3,462)
Change in pension liability and postretirement obligations, net of tax	20,036							20,036
Stock options exercised	23				23
Stock compensation expense	2,545	529			2,545	529
Repurchase of treasury shares	(4,945)			(4,945)
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(74)		(2)		(72)
Ending balance at Sep. 30, 2024	896,130		287	(5,946)	529,599		386,892	(14,702)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	3,960						3,960
Dividends declared	(2,001)						(2,001)
Change in foreign currency translation adjustment	(24,665)							(24,665)
Change in derivatives qualifying as hedges, net of tax	531							531
Change in pension liability and postretirement obligations, net of tax	(47)							(47)
Stock options exercised	279				279
Stock compensation expense	2,238	$ 264			2,238	$ 264
Repurchase of treasury shares	(5,000)		(1)	(4,999)
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(109)				(109)
Ending balance at Dec. 31, 2024	$ 871,580		$ 286	$ (10,945)	$ 532,271		$ 388,851	$ (38,883)