Supplementary Data - Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 4,689.4
Goodwill Reallocation	0.0
Acquisitions	41.9
Foreign currency and other	66.8
Goodwill, Ending Balance	4,798.1
Goodwill, impaired, accumulated impairment loss	207.2		$ 207.2
Acquisitions, net of cash acquired	48.4	$ 0.0
MD&E
Goodwill [Roll Forward]
Goodwill, Beginning Balance	2,332.8
Goodwill Reallocation	(3.4)
Acquisitions	41.9
Foreign currency and other	25.7
Goodwill, Ending Balance	2,397.0
IA&C
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,681.8
Goodwill Reallocation	3.4
Acquisitions	0.0
Foreign currency and other	32.2
Goodwill, Ending Balance	1,717.4
SC&E
Goodwill [Roll Forward]
Goodwill, Beginning Balance	674.8
Goodwill Reallocation	0.0
Acquisitions	0.0
Foreign currency and other	8.9
Goodwill, Ending Balance	$ 683.7