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Business Combinations - Narratives (Details) - USD ($) $ / shares in Units, $ in Millions									3 Months Ended			6 Months Ended
	May 31, 2022	May 16, 2022	May 04, 2022	Dec. 14, 2021	Dec. 13, 2021	Aug. 27, 2021	Jul. 01, 2021	Feb. 16, 2021	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Aug. 26, 2021	Dec. 23, 2020	Nov. 03, 2020
Business Acquisition
Acquisition of businesses, net of cash acquired												$ 25.3	$ 55.0
Decrease in fair value of contingent consideration liabilities												(1.0)
Purchase price adjustments												(14.5)
Contingent consideration									$ 20.2			$ 20.2		$ 21.2
AdEdge India
Business Acquisition
Payments to acquire equity interest			$ 0.4
Acquisition of businesses, net of cash acquired			0.3
Cash acquired from acquisition			$ 0.1
AdEdge India | Equity Method Investment, Nonconsolidated Investee or Group of Investees
Business Acquisition
Equity investments, ownership interest (percent)			50.00%			50.00%				50.00%
Fronti Fabrications, Inc.
Business Acquisition
Voting percentage acquired	100.00%
Payments to acquire equity interest	$ 20.6
Acquisition of businesses, net of cash acquired	20.4
Cash acquired from acquisition	0.2
Net assets acquired	13.0
Identifiable intangible assets	6.4
Other assets	$ 1.2
CSC Cryogenic Service Center AB
Business Acquisition
Voting percentage acquired		100.00%
Payments to acquire equity interest		$ 3.8
Earthly Labs Inc.
Business Acquisition
Voting percentage acquired				85.00%
Acquisition of businesses, net of cash acquired					$ 58.4
Cash acquired from acquisition				$ 3.5
Net assets acquired				31.7	47.2
Identifiable intangible assets				41.9	27.0
Net liabilities				$ 3.6	$ 11.1
Equity investments, ownership interest (percent)				15.00%
Total consideration				$ 63.1
Decrease in fair value of contingent consideration liabilities										$ (1.2)
Share price					$ 160.63
Purchase price					$ 61.9
Contingent percent									4.00%			4.00%
AdEdge
Business Acquisition
Voting percentage acquired						100.00%
Acquisition of businesses, net of cash acquired						$ 37.5
Cash acquired from acquisition						1.4
Net assets acquired						17.1									$ 15.9
Identifiable intangible assets						18.2									18.2
Net liabilities						$ 3.6									$ 4.8
Net working capital										0.8
Purchase price adjustments												$ 1.2
L.A. Turbine
Business Acquisition
Voting percentage acquired							100.00%
Payments to acquire equity interest							$ 76.6
Cash acquired from acquisition							1.4
Net assets acquired							78.0
Identifiable intangible assets							43.7
Other assets							4.8							4.6
Net liabilities							$ 16.4
Purchase price adjustments										(0.2)
Adjustments to other assets										$ (0.2)
L.A. Turbine | Minimum
Business Acquisition
Finite lived intangible assets useful life (in years)							1 year
L.A. Turbine | Maximum
Business Acquisition
Finite lived intangible assets useful life (in years)							15 years
Cryogenic Technologies
Business Acquisition
Voting percentage acquired								100.00%
Acquisition of businesses, net of cash acquired								$ 55.0
Cash acquired from acquisition								0.6
Net assets acquired								34.9
Identifiable intangible assets								19.5
Other assets								$ 1.2
SES
Business Acquisition
Decrease in fair value of contingent consideration liabilities									$ (0.3)		$ 1.3	(0.8)	$ 2.0
Contingent consideration									18.3			18.3		19.1		$ 16.9
BIG
Business Acquisition
Decrease in fair value of contingent consideration liabilities									0.1		$ (0.1)	(0.2)
Contingent consideration									1.9			1.9		$ 2.1			$ 3.2
Sustainable Energy Solutions And Blue In Green LLC | Minimum
Business Acquisition
Contingent consideration									0.0			0.0
Sustainable Energy Solutions And Blue In Green LLC | Maximum
Business Acquisition
Contingent consideration									$ 31.0			$ 31.0

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