Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Proceeds from Sales of Assets, Investing Activities	$ 461	$ 5,453
Proceeds from Equity Method Investment, Distribution, Return of Capital	0	587
Proceeds from Insurance Settlement, Investing Activities	482	0
Unamortized Loss Reacquired Debt, Noncurrent	14,803	0
Unrealized Gain (Loss) on Derivatives	672	0
Proceeds from Issuance of Long-term Debt	650,000	0
Proceeds from Issuance or Sale of Equity	207,000	0
Debt Related Commitment Fees and Debt Issuance Costs	(25,292)	0
Proceeds from Derivative Instrument, Financing Activities	7,007	0
Payments for Derivative Instrument, Financing Activities	(6,927)	0
Stock Issued During Period, Value, Stock Options Exercised	0	(826)
Gain (Loss) on Disposition of Property Plant Equipment	(375)	(2,638)
Increase (Decrease) in Other Noncurrent Liabilities	(3,909)	(1,952)
Increase (Decrease) in Other Operating Assets	(42)	(570)
Payments to Acquire Marketable Securities	4,768	1,759
Proceeds from Sale and Maturity of Marketable Securities	2,734	1,034
Operating activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	7,940	(7,073)
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:
Depreciation and amortization	20,969	14,210
Deferred income taxes and related valuation allowance	(1,235)	(6,745)
Net loss (gain) on sale of real estate, investments and other	(462)	(557)
Stock based compensation	5,504	3,989
Amortization of deferred financing costs	867	1,327
Other Operating Activities, Cash Flow Statement	3,939	3,785
Changes in operating assets and liabilities, net of effects of business acquisitions:
Trade accounts receivable	(1,709)	33,594
Inventories	(21,959)	18,987
Prepaid expenses and other	(2,779)	(1,627)
Trade accounts payable	(6,274)	(20,078)
Increase (Decrease) in Accrued Liabilities	1,908	(7,895)
Net cash provided by (used for) operating activities	17,942	46,943
INVESTING ACTIVITIES:
Proceeds from Sales of Assets, Investing Activities	461	5,453
Payments for (Proceeds from) Businesses and Interest in Affiliates	(472,954)
Proceeds from Divestiture of Businesses		0
Net cash provided by (used for) investing activities	(480,797)	2,536
FINANCING ACTIVITIES:
Proceeds from the issuance of common stock	1,412	429
Repayment of debt	(461,286)	(2,225)
Payments of Dividends	(3,145)	(2,860)
Other	(1,909)	(982)
Net cash provided by (used for) financing activities	366,860	18,536
Effect of exchange rate changes on cash	(821)	4,091
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(96,816)	72,106
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	105,561	186,806
Interest Paid, Excluding Capitalized Interest, Operating Activities	8,666	7,438
Supplementary cash flow data:
Income taxes paid (refunded), net	2,910	1,234
Restricted Cash	250	250
Pension Expense (Reversal of Expense), Noncash	0	19,046
Gain (Loss) on Disposition of Property Plant Equipment	(375)	(2,638)
Proceeds from (Repayments of) Debt, Maturing in More than Three Months	0	25,000
Payments to Acquire Property, Plant, and Equipment	(6,752)	(2,779)
Proceeds from Insurance Settlement, Investing Activities	$ 482	$ 0