CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Comprehensive Income (Loss) Attributable to Ingersoll Rand Inc.
Net income attributable to Ingersoll Rand Inc.	$ 138.5	$ 233.9	$ 242.2	$ 143.5
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net	(212.1)	49.1	(240.9)	(50.7)
Unrecognized loss on cash flow hedges	(5.4)	0.0	(5.4)	0.0
Pension and other postretirement prior service cost and gain (loss), net	(2.0)	1.3	(3.1)	2.5
Total other comprehensive income (loss), net of tax	(219.5)	50.4	(249.4)	(48.2)
Comprehensive income (loss) attributable to Ingersoll Rand Inc.	(81.0)	284.3	(7.2)	95.3
Comprehensive Loss Attributable to Noncontrolling Interests
Net income attributable to noncontrolling interests	0.8	0.7	1.6	1.0
Other comprehensive loss, net of tax:
Foreign currency translation adjustments, net	(4.8)	(1.2)	(4.2)	(2.3)
Total other comprehensive loss, net of tax	(4.8)	(1.2)	(4.2)	(2.3)
Comprehensive loss attributable to noncontrolling interests	(4.0)	(0.5)	(2.6)	(1.3)
Total Comprehensive Income (Loss)	$ (85.0)	$ 283.8	$ (9.8)	$ 94.0