CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 28, 2025	Dec. 31, 2024
Current Assets:
Cash and cash equivalents	$ 1,151,805	$ 1,135,824
Short-term investments	340,050	301,210
Allowance for doubtful accounts	(14,010)	(14,674)
Accounts receivable, other	45,287	40,692
Inventories	340,214	330,395
Prepaid expenses and other current assets	96,217	96,331
Total current assets	2,613,434	2,547,302
Property, plant and equipment, net	1,537,547	1,505,267
Right-of-use assets - operating leases	107,099	112,351
Leased property under financing leases, net	2,727	3,138
Other assets	185,526	181,048
Goodwill	165,903	165,903
Total assets	5,403,738	5,313,139
Current Liabilities:
Current portion of obligations under operating leases	23,199	23,257
Current portion of obligations under financing leases	2,660	2,685
Other accrued liabilities	266,906	246,687
Accrued compensation	84,357	168,692
Current portion of debt	349,781	349,699
Total current liabilities	1,290,191	1,313,169
Deferred income taxes	168,215	132,941
Pension and postretirement benefit obligations	58,914	58,502
Other liabilities	860,595	859,559
Noncurrent portion of obligations under operating leases	87,520	92,362
Noncurrent portion of obligations under financing leases	1,721	2,346
Long-term debt	1,437,168	1,436,649
Total liabilities	3,904,324	3,895,528
Commitments and Contingencies
Equity:
Additional paid-in capital	135,953	135,953
Retained earnings	1,477,000	1,395,183
Accumulated other comprehensive income	1,871	1,885
Total equity	1,499,414	1,417,611
Total liabilities and equity	5,403,738	5,313,139
Nonrelated Party
Current Assets:
Accounts receivable	557,186	567,653
Current Liabilities:
Accounts payable	328,387	334,878
Related Party
Current Assets:
Accounts receivable	96,685	89,871
Current Liabilities:
Accounts payable	234,901	187,271
Common Stock
Equity:
Common Stock	10,833	10,833
Treasury stock, at cost	(127,467)	(127,467)
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	786,029	792,252
Customer lists, net
Current Assets:
Intangible assets, net	$ 5,473	$ 5,878