Goodwill and Intangible Assets - Changes in Goodwill (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Dec. 31, 2024	Dec. 31, 2020
Goodwill [Roll Forward]
Balance, beginning of the year	$ 5,582.3
Foreign currency translation, net	9.7
Balance, ending of the year	5,592.0
Americas
Goodwill [Roll Forward]
Balance, beginning of the year	5,582.3
Foreign currency translation, net	9.7
Balance, ending of the year	5,592.0
Accumulated impairment loss	1,513.3	$ 1,513.3
EMEA&APAC
Goodwill [Roll Forward]
Balance, beginning of the year	0.0
Foreign currency translation, net	0.0
Balance, ending of the year	$ 0.0
Accumulated impairment loss			$ 1,484.3