Goodwill and Intangible Assets, Net (Changes in the Carrying Amount of Goodwill) (Details) $ in Thousands	9 Months Ended
	Sep. 29, 2024 USD ($)
Changes in the carrying amount of goodwill
Balance at beginning of period	$ 6,533,550
Foreign currency translation	25,110
Balance at end of period	6,558,660
Diagnostics [Member]
Changes in the carrying amount of goodwill
Balance at beginning of period	1,945,612
Foreign currency translation	4,803
Balance at end of period	1,950,415
Life Sciences [Member]
Changes in the carrying amount of goodwill
Balance at beginning of period	4,587,938
Foreign currency translation	20,307
Balance at end of period	$ 4,608,245