CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 03, 2026	Sep. 27, 2025
Cash flows from operating activities--
Net earnings	$ 3,124	$ (314,670)
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	(129,071)	(526,370)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	132,195	211,700
Adjustments to reconcile net earnings to net cash provided by operating activities--
Depreciation and amortization expense	57,909	61,253
Non-cash share-based compensation	20,290	6,168
Deferred income taxes	31,555	27,621
Net periodic pension benefit	(7,306)	(4,714)
Asset, Impairment Loss	20,394	0
Equity in losses of affiliate, net of tax	67,559	0
Changes in fair value of note receivable	(1,673)	0
Other non-cash items	723	0
Changes in assets and liabilities, net of acquisitions
Accounts receivable, net	(63,564)	(19,440)
Inventories, net	(24,196)	3,877
Prepaid expenses and other assets	23,098	(21,223)
Accounts payable	24,758	19,656
Accrued expenses and other liabilities	(23,451)	13,850
Cash Provided by (Used in) Operating Activity, Continuing Operation	258,291	298,748
Cash Provided by (Used in) Operating Activity, Discontinued Operation	(10,314)	140,730
Net cash provided by operating activities	247,977	439,478
Cash flows from investing activities--
Additions to property and equipment	(18,366)	(22,624)
Payments to Acquire Intangible Assets	0	(1,114)
Proceeds from Divestiture of Businesses, Net of Cash Divested	564,575	0
Acquisitions, net of cash acquired	0	(3,458)
Cash Provided by (Used in) Investing Activity, Continuing Operation	546,209	(27,196)
Cash Provided by (Used in) Investing Activity, Discontinued Operation	(8,709)	(83,361)
Net cash (used in) investing activities	537,500	(110,557)
Cash flows from financing activities--
Proceeds from Credit Facility	885,000	865,500
Repayments under Credit Facility	1,278,347	449,264
Payment of principal upon maturity of Convertible Notes	0	(744,527)
Repayments of foreign loans	(177)	(120)
Payments of deferred purchase price	(5,158)	(8,156)
Repurchase of treasury stock	(688,371)	(514,301)
Debt issuance costs on Credit Facility	0	(3,167)
Dividend received from spin-off of Midera	233,000	0
Other, net	0	187
Cash Provided by (Used in) Financing Activity, Continuing Operation	(854,053)	(853,848)
Cash Provided by (Used in) Financing Activity, Discontinued Operation	(64,754)	(12,191)
Net cash (used in) provided by financing activities	(918,807)	(866,039)
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Discontinued Operation	(5,623)	22,715
Changes in cash and cash equivalents--
Net (decrease) increase in cash and cash equivalents	(138,953)	(514,403)
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation, Beginning Balance	244,447	689,533
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation, Ending Balance	105,494	175,130
Note Receivable
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Noncash or Part Noncash Divestiture, Amount of Consideration Received	82,380	0
Equity Method Investment
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Noncash or Part Noncash Divestiture, Amount of Consideration Received	$ 150,847	$ 0