Allowance for Credit Losses - Summary (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of the period	$ 18.4	$ 17.4	$ 18.7
Acquisition - Ingersoll Rand Industrial	28.8	0.0	0.0
Provision charged to expense	24.1	3.6	1.8
Write-offs, net of recoveries	(6.2)	(2.4)	(2.2)
Foreign currency translation and other	2.5	(0.2)	(0.9)
Balance at end of the period	$ 67.6	$ 18.4	$ 17.4