Other Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Other intangible assets
Acquired Cost	$ 2,097.2	$ 2,048.4
Accumulated Amortization	(613.1)	(543.5)
Net Book Value	1,484.1	1,504.9
Indefinite lived trade names
Assets not subject to amortization:
Acquired Cost	254.4	252.0
Accumulated Amortization	0.0	0.0
Net Book Value	254.4	252.0
Customer relationships
Assets subject to amortization:
Acquired Cost	1,479.9	1,456.0
Accumulated Amortization	(434.6)	(380.5)
Net Book Value	1,045.3	1,075.5
Technology
Assets subject to amortization:
Acquired Cost	203.3	185.6
Accumulated Amortization	(111.2)	(103.4)
Net Book Value	92.1	82.2
Indefinite lived trade names
Assets subject to amortization:
Acquired Cost	117.6	117.0
Accumulated Amortization	(40.1)	(37.0)
Net Book Value	77.5	80.0
Other
Assets subject to amortization:
Acquired Cost	42.0	37.8
Accumulated Amortization	(27.2)	(22.6)
Net Book Value	$ 14.8	$ 15.2