Business Combinations - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2021	Aug. 31, 2021	Jul. 30, 2021	Jan. 31, 2021	Dec. 31, 2020	Feb. 29, 2020	Dec. 31, 2019
Estimated Fair Value [Abstract]
Property, plant and equipment						$ 516.5
Goodwill	$ 5,981.6				$ 5,582.6		$ 1,092.9
Seepex
Estimated Fair Value [Abstract]
Accounts receivable		$ 24.9
Inventories		40.5
Other current assets		1.9
Property, plant and equipment		40.7
Goodwill		245.3
Intangible assets		243.6
Other noncurrent assets		1.1
Total current liabilities		(34.4)
Deferred tax liabilities		(75.4)
Other noncurrent liabilities		(6.1)
Total consideration		$ 482.1
M-D Pneumatics and Kinney Vacuum Pumps
Estimated Fair Value [Abstract]
Accounts receivable				$ 4.8
Inventories				3.8
Other current assets				0.2
Property, plant and equipment				16.2
Goodwill				80.0
Intangible assets				82.5
Other noncurrent assets				0.0
Total current liabilities				(3.5)
Deferred tax liabilities				0.0
Other noncurrent liabilities				0.0
Total consideration				$ 184.0
Maximus Solutions
Estimated Fair Value [Abstract]
Accounts receivable			$ 4.3
Inventories			2.9
Other current assets			0.2
Property, plant and equipment			2.1
Goodwill			75.7
Intangible assets			39.5
Other noncurrent assets			0.0
Total current liabilities			(2.4)
Deferred tax liabilities			(11.3)
Other noncurrent liabilities			0.0
Total consideration			$ 111.0
Ingersoll Rand Industrial
Estimated Fair Value [Abstract]
Cash						38.8
Accounts receivable						585.8
Inventories						625.4
Other current assets						87.2
Property, plant and equipment						516.5
Goodwill						4,899.2
Intangible assets	3,766.6					3,766.6
Other noncurrent assets						270.9
Total current liabilities						(753.0)
Deferred tax liabilities						(842.4)
Long-term debt, net of debt issuance costs and an original issue discount						(1,851.7)
Other noncurrent liabilities						(333.0)
Noncontrolling interest						(73.3)
Total consideration						6,937.0
Current maturities of long-term debt acquired						$ 19.0
All Others
Estimated Fair Value [Abstract]
Accounts receivable	9.3
Inventories	10.5
Other current assets	0.6
Property, plant and equipment	15.2
Goodwill	78.3
Intangible assets	95.9
Other noncurrent assets	0.0
Total current liabilities	(4.0)
Deferred tax liabilities	(4.1)
Other noncurrent liabilities	(1.0)
Total consideration	$ 200.7