Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024
Current Assets
Cash and Cash Equivalents	$ 46,540	$ 34,925
Accounts and Notes Receivable, net	278,428	202,985
Inventories	371,619	373,923
Income Tax Receivable	2,605	9,910
Prepaid and Other Assets	13,797	5,950
Total Current Assets	712,989	627,693
Property, Plant, and Equipment, net	1,676,041	1,676,217
Investment in Joint Venture	121,409	113,478
Operating Lease Right-of-Use Assets	17,970	19,373
Goodwill and Intangible Assets, net	484,298	486,117
Other Assets	30,160	24,141
Total Assets	3,042,867	2,947,019
Current Liabilities
Accounts Payable	148,231	127,183
Accrued Liabilities	89,537	94,327
Operating Lease Liabilities	7,008	7,899
Income Tax Payable	35,774	0
Current Portion of Long-term Debt	10,000	10,000
Total Current Liabilities	290,550	239,409
Long-term Debt	1,091,116	1,083,299
Noncurrent Operating Lease Liabilities	17,902	19,037
Other Long-term Liabilities	49,916	51,942
Deferred Income Taxes	242,585	244,797
Total Liabilities	1,692,069	1,638,484
Stockholders’ Equity
Preferred Stock, Par Value $0.01; Authorized 5,000,000 Shares; None Issued	0	0
Common Stock, Par Value $0.01; Authorized 100,000,000 Shares;Issued and Outstanding 33,761,968 and 34,143,945 Shares, respectively	338	341
Capital in Excess of Par Value	0	0
Accumulated Other Comprehensive Losses	(3,328)	(3,373)
Retained Earnings	1,353,788	1,311,567
Total Stockholders’ Equity	1,350,798	1,308,535
Liabilities and Stockholders' Equity, Total	$ 3,042,867	$ 2,947,019