CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023
Cash Flows from Operating Activities:
Net income	$ 454,177	$ 332,539
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense from property, plant and equipment and financing leases	125,593	113,664
Amortization of intangible assets and deferred proceeds, net	17,586	17,632
Fair value adjustment of acquisition related contingent consideration	90,877	86,038
Deferred income taxes	(18,030)	(34,881)
Loss on sale of property, plant and equipment	4,081	5,863
Amortization of debt costs	1,496	742
Pension plan settlement expense	0	117,096
Change in current assets less current liabilities	55,763	35,791
Change in other noncurrent assets	7,595	13,417
Change in other noncurrent liabilities	(31,245)	(43,352)
Total adjustments	253,716	312,010
Net cash provided by operating activities	707,893	644,549
Cash Flows from Investing Activities:
Additions to property, plant and equipment	(287,333)	(152,260)
Purchases of short-term investments	(283,488)	0
Proceeds from the disposal of short-term investments	72,232	0
Investment in equity method investees	(9,794)	(9,044)
Proceeds from the sale of property, plant and equipment	425	441
Net cash used in investing activities	(507,958)	(160,863)
Cash Flows from Financing Activities:
Proceeds from bond issuance	1,200,000	0
Payments related to share repurchases	(574,009)	0
Cash dividends paid	(163,733)	(42,182)
Payments of acquisition related contingent consideration	(44,243)	(20,979)
Debt issuance fees	(15,365)	(244)
Payments on financing lease obligations	(1,848)	(1,712)
Net cash provided by (used in) financing activities	400,802	(65,117)
Net increase in cash during period	600,737	418,569
Cash at beginning of period	635,269	197,648
Cash at end of period	1,236,006	616,217
Significant non-cash investing and financing activities:
Additions to property, plant and equipment accrued and recorded in accounts payable, trade	34,791	32,388
Right-of-use assets obtained in exchange for operating lease obligations	$ 1,299	$ 4,253