CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
OPERATING ACTIVITIES:
Net income (loss)	$ 2,697	$ (6,414)
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:
Depreciation and amortization	24,485	24,028
Deferred income taxes and related valuation allowance	(7,940)	(13,662)
Net loss (gain) on sale of investments and other	(1,232)	(650)
Non-cash pension settlement (Refer to Note 10)	0	23,201
Stock-based compensation	4,626	4,175
Amortization of deferred financing costs	1,222	1,244
Impairment of operating lease	0	3,268
Loss (gain) on hedging instruments	906	(2)
Loss on disposals and impairments of fixed assets	207	418
Non-cash lease expense	4,820	5,202
Changes in operating assets and liabilities:
Trade accounts receivable	(8,570)	2,384
Inventories	(11,256)	(12,277)
Prepaid expenses and other	(6,077)	(11,714)
Other assets	1,431	183
Trade accounts payable	1,415	(10,711)
Accrued liabilities	(127)	(6,154)
Non current liabilities	(6,359)	(3,889)
Net cash provided by (used for) operating activities	248	(1,370)
INVESTING ACTIVITIES:
Proceeds from sales of marketable securities	2,139	3,153
Purchases of marketable securities	(1,961)	(1,993)
Capital expenditures	(6,523)	(10,068)
Net cash provided by (used for) investing activities	(6,345)	(8,908)
FINANCING ACTIVITIES:
Proceeds from the issuance of common stock	0	86
Purchases of treasury stock	0	(4,945)
Borrowings / (Repayments) of debt	(12,482)	(30,326)
Fees paid for debt amendments (Refer to Note 9)	(577)	0
Payment to former owners of montratec	0	(6,711)
Fees paid for debt repricing	0	(169)
Cash inflows from hedging activities	11,639	11,862
Cash outflows from hedging activities	(12,505)	(11,809)
Payment of dividends	(4,014)	(4,038)
Other	(783)	(1,789)
Net cash provided by (used for) financing activities	(18,722)	(47,839)
Effect of exchange rate changes on cash	(825)	(326)
Net change in cash and cash equivalents	(25,644)	(58,443)
Cash, cash equivalents, and restricted cash at beginning of year	53,933	114,376
Cash, cash equivalents, and restricted cash at end of period	28,289	55,933
Supplementary cash flow data:
Interest paid	16,114	15,483
Income taxes paid, net of refunds	12,143	16,445
Property, plant and equipment purchases included in trade accounts payable	0	591
Restricted cash presented in Other assets	$ 250	$ 250