Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Current Assets
Cash and Cash Equivalents	$ 34,925	$ 15,242
Accounts and Notes Receivable, net	202,985	195,052
Inventories	373,923	291,882
Income Tax Receivable	9,910	16,267
Prepaid and Other Assets	5,950	3,060
Total Current Assets	627,693	521,503
Property, Plant, and Equipment, net	1,676,217	1,662,061
Notes Receivable	0	7,382
Investment in Joint Venture	113,478	89,111
Operating Lease Right-of-Use Assets	19,373	20,759
Goodwill and Intangible Assets, net	486,117	466,043
Other Assets	24,141	14,143
Total Assets	2,947,019	2,781,002
Current Liabilities
Accounts Payable	127,183	110,408
Accrued Liabilities	94,327	86,472
Operating Lease Liabilities	7,899	6,009
Current Portion of Long-term Debt	10,000	10,000
Total Current Liabilities	239,409	212,889
Long-term Debt	1,083,299	1,079,032
Noncurrent Operating Lease Liabilities	19,037	24,940
Other Long-term Liabilities	51,942	41,603
Deferred Income Taxes	244,797	236,844
Total Liabilities	1,638,484	1,595,308
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 34,143,945 and 35,768,376 Shares, respectively	341	358
Capital in Excess of Par Value	0	0
Accumulated Other Comprehensive Losses	(3,373)	(3,547)
Retained Earnings	1,311,567	1,188,883
Total Stockholders’ Equity	1,308,535	1,185,694
Total Liabilities and Stockholders' Equity	$ 2,947,019	$ 2,781,002