Goodwill and Other Intangible Assets - Changes in the Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	$ 1,478.0	$ 1,202.5
Goodwill acquired during the year	69.6	286.0
Currency translation and other	(8.7)	(10.5)
Goodwill, Balance at the end of the period	1,538.9	1,478.0
CCM
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	1,073.1	934.7
Goodwill acquired during the year	0.0	141.0
Currency translation and other	5.8	(2.6)
Goodwill, Balance at the end of the period	1,078.9	1,073.1
CWT
Changes in the carrying amount of goodwill
Goodwill, Balance at the beginning of the period	404.9	267.8
Goodwill acquired during the year	69.6	145.0
Currency translation and other	(14.5)	(7.9)
Goodwill, Balance at the end of the period	$ 460.0	$ 404.9