CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 430,172	$ 197,648
Allowance for doubtful accounts	(17,624)	(16,119)
Accounts receivable, other	55,763	54,631
Inventories	333,874	347,545
Prepaid expenses and other current assets	84,634	94,263
Total current assets	1,548,013	1,245,801
Property, plant and equipment, net	1,176,339	1,183,730
Right-of-use assets - operating leases	128,759	140,588
Leased property under financing leases, net	5,608	6,431
Other assets	132,017	115,892
Goodwill	165,903	165,903
Total assets	3,994,537	3,709,545
Current Liabilities:
Current portion of obligations under operating leases	26,440	27,635
Current portion of obligations under financing leases	2,393	2,303
Other accrued liabilities	226,135	198,300
Accrued compensation	77,779	126,921
Accrued interest payable	2,517	2,677
Dividends payable	0	32,808
Total current liabilities	891,982	905,156
Deferred income taxes	151,630	150,222
Pension and postretirement benefit obligations	55,784	60,323
Other liabilities	801,642	753,357
Noncurrent portion of obligations under operating leases	108,500	118,763
Noncurrent portion of obligations under financing leases	6,299	7,519
Long-term debt	598,992	598,817
Total liabilities	2,614,829	2,594,157
Commitments and Contingencies
Equity:
Additional paid-in capital	135,953	135,953
Retained earnings	1,348,221	1,112,462
Accumulated other comprehensive loss	(56,276)	(84,837)
Total equity	1,379,708	1,115,388
Total liabilities and equity	3,994,537	3,709,545
Nonrelated Party
Current Assets:
Accounts receivable	603,728	532,047
Current Liabilities:
Accounts payable	361,825	351,729
Related Party
Current Assets:
Accounts receivable	57,466	35,786
Current Liabilities:
Accounts payable	194,893	162,783
Common Stock
Equity:
Common Stock	11,431	11,431
Treasury stock, at cost	(60,845)	(60,845)
Class B Common Stock
Equity:
Common Stock	1,633	1,633
Treasury stock, at cost	(409)	(409)
Distribution agreements, net
Current Assets:
Intangible assets, net	829,589	842,035
Customer lists, net
Current Assets:
Intangible assets, net	$ 8,309	$ 9,165