Business Combinations - Net Asset Acquired (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Jul. 01, 2021	Dec. 31, 2020
Net assets acquired:
Goodwill	$ 992.0	$ 994.6		$ 865.9
Purchase price adjustments	(12.2)
L.A Turbine
Net assets acquired:
Identifiable intangible assets			$ 43.7
Goodwill		42.1	42.3
Other assets		4.6	4.2
Property, plant and equipment			2.6
Cash and cash equivalents			1.4
Liabilities		$ (16.4)	(16.2)
Net assets acquired			$ 78.0
Purchase price adjustments	0.2
Adjustment to other assets	(0.4)
Adjustment to other liabilities	$ (0.2)