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 Income (Loss)
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 taxes	(885)							(885)
Change in pension liability and postretirement obligations, net of taxes	(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)	(6,414)
Change in derivatives qualifying as hedges, net of taxes	(4,347)
Change in pension liability and postretirement obligations, net of taxes	20,005
Ending balance at Sep. 30, 2024	896,130		287	(5,946)	529,599		386,892	(14,702)
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 taxes	(3,462)							(3,462)
Change in pension liability and postretirement obligations, net of taxes	20,036							20,036
Stock options exercised	23				23
Stock compensation expense	2,545	$ 529			2,545	$ 529
Treasury stock purchased	(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)
Beginning balance at Mar. 31, 2025	882,095		286	(11,000)	531,750		382,160	(21,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,898)						(1,898)
Change in foreign currency translation adjustment	29,786							29,786
Change in derivatives qualifying as hedges, net of taxes	(914)							(914)
Change in pension liability and postretirement obligations, net of taxes	725							725
Stock compensation expense	1,842				1,842
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(753)		1		(754)
Ending balance at Jun. 30, 2025	910,883		287	(11,000)	532,838		380,262	8,496
Beginning balance at Mar. 31, 2025	882,095		286	(11,000)	531,750		382,160	(21,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	2,697
Change in derivatives qualifying as hedges, net of taxes	(1,035)
Change in pension liability and postretirement obligations, net of taxes	684
Ending balance at Sep. 30, 2025	914,588		287	(11,000)	535,592		382,842	6,867
Beginning balance at Jun. 30, 2025	910,883		287	(11,000)	532,838		380,262	8,496
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	4,595						4,595
Dividends declared	(2,015)						(2,015)
Change in foreign currency translation adjustment	(1,467)							(1,467)
Change in derivatives qualifying as hedges, net of taxes	(121)							(121)
Change in pension liability and postretirement obligations, net of taxes	(41)							(41)
Stock compensation expense	2,272	$ 512			2,272	$ 512
Restricted stock units released, net of shares withheld for minimum statutory tax obligation	(30)				(30)
Ending balance at Sep. 30, 2025	$ 914,588		$ 287	$ (11,000)	$ 535,592		$ 382,842	$ 6,867