Goodwill and Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		$ 2,368.3
Accumulated goodwill impairment losses		(200.6)
Goodwill [Roll Forward]
Balance at December 31, 2021	$ 2,167.7
Foreign currency translation	(10.5)
Acquisitions	55.0
Acquisition adjustments	1.3
Balance at March 31, 2022	2,213.5
FMT
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		701.7
Accumulated goodwill impairment losses		(20.7)
Goodwill [Roll Forward]
Balance at December 31, 2021	681.0
Foreign currency translation	(2.3)
Acquisitions	55.0
Acquisition adjustments	0.3
Balance at March 31, 2022	734.0
HST
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		1,264.3
Accumulated goodwill impairment losses		(149.8)
Goodwill [Roll Forward]
Balance at December 31, 2021	1,114.5
Foreign currency translation	(5.8)
Acquisitions	0.0
Acquisition adjustments	1.0
Balance at March 31, 2022	1,109.7
FSDP
Goodwill and Intangible Assets Disclosure [Line Items]
Goodwill		402.3
Accumulated goodwill impairment losses		$ (30.1)
Goodwill [Roll Forward]
Balance at December 31, 2021	372.2
Foreign currency translation	(2.4)
Acquisitions	0.0
Acquisition adjustments	0.0
Balance at March 31, 2022	$ 369.8