Goodwill and Other Intangible Assets - Goodwill by Acquisition (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Business Combination, Goodwill [Abstract]
Goodwill acquired	$ 479.3	$ 4,379.0
Seepex
Business Combination, Goodwill [Abstract]
Goodwill acquired	245.3
M-D Pneumatics and Kinney Vacuum Pumps
Business Combination, Goodwill [Abstract]
Goodwill acquired		80.0
Maximus Solutions
Business Combination, Goodwill [Abstract]
Goodwill acquired	75.7
Ingersoll Rand Industrial
Business Combination, Goodwill [Abstract]
Goodwill acquired		4,360.3
Albin Pump SAS
Business Combination, Goodwill [Abstract]
Goodwill acquired		3.2
Other acquisitions
Business Combination, Goodwill [Abstract]
Goodwill acquired	78.3	15.5
Industrial Technologies and Services
Business Combination, Goodwill [Abstract]
Goodwill acquired	87.9	3,213.5
Industrial Technologies and Services | Seepex
Business Combination, Goodwill [Abstract]
Goodwill acquired	0.0
Industrial Technologies and Services | M-D Pneumatics and Kinney Vacuum Pumps
Business Combination, Goodwill [Abstract]
Goodwill acquired		80.0
Industrial Technologies and Services | Maximus Solutions
Business Combination, Goodwill [Abstract]
Goodwill acquired	0.0
Industrial Technologies and Services | Ingersoll Rand Industrial
Business Combination, Goodwill [Abstract]
Goodwill acquired		3,198.0
Industrial Technologies and Services | Albin Pump SAS
Business Combination, Goodwill [Abstract]
Goodwill acquired		0.0
Industrial Technologies and Services | Other acquisitions
Business Combination, Goodwill [Abstract]
Goodwill acquired	7.9	15.5
Precision and Science Technologies
Business Combination, Goodwill [Abstract]
Goodwill acquired	391.4	1,165.5
Precision and Science Technologies | Seepex
Business Combination, Goodwill [Abstract]
Goodwill acquired	245.3
Precision and Science Technologies | M-D Pneumatics and Kinney Vacuum Pumps
Business Combination, Goodwill [Abstract]
Goodwill acquired		0.0
Precision and Science Technologies | Maximus Solutions
Business Combination, Goodwill [Abstract]
Goodwill acquired	75.7
Precision and Science Technologies | Ingersoll Rand Industrial
Business Combination, Goodwill [Abstract]
Goodwill acquired		1,162.3
Precision and Science Technologies | Albin Pump SAS
Business Combination, Goodwill [Abstract]
Goodwill acquired		3.2
Precision and Science Technologies | Other acquisitions
Business Combination, Goodwill [Abstract]
Goodwill acquired	$ 70.4	$ 0.0