Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended							12 Months Ended
	Jan. 02, 2022	Oct. 03, 2021	Jul. 04, 2021	Apr. 04, 2021	Oct. 04, 2020	Jul. 05, 2020	Apr. 05, 2020	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Quarterly Financial Data [Abstract]
Restructuring and other costs, net								$ 16,432	$ 8,013	$ 29,428
Operating income from continuing operations								1,332,378	978,581	361,973
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent								(126)	(211)	(195)
Operating income from continuing operations								943,283	728,098	227,753
Net income								$ 943,157	$ 727,887	$ 227,558
Basic earnings per share:
Income from continuing operations								$ 8.12	$ 6.53	$ 2.06
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share								(0.00)	(0.00)	(0.00)
Net income								8.12	6.53	2.06
Diluted earnings per share:
Income from continuing operations								8.08	6.50	2.04
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share								(0.00)	(0.00)	(0.00)
Net income								$ 8.08	$ 6.49	$ 2.04
Cash dividends per common share	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.07
Tax Adjustments, Settlements, and Unusual Provisions								$ 43,200	$ 10,800	$ (23,400)
Diagnostics [Member]
Quarterly Financial Data [Abstract]
Operating income from continuing operations								$ 1,219,944	$ 874,206	$ 189,330