CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Revenues	$ 1,738.9	$ 1,515.7	$ 5,054.7	$ 4,292.6
Cost of sales	999.6	940.4	2,953.7	2,621.4
Gross Profit	739.3	575.3	2,101.0	1,671.2
Selling and administrative expenses	315.2	278.7	941.9	819.8
Amortization of intangible assets	92.2	93.8	274.3	263.6
Other operating expense, net	13.5	12.8	53.7	43.4
Operating Income	318.4	190.0	831.1	544.4
Interest expense	39.6	26.6	119.3	68.8
Loss on extinguishment of debt	12.6	0.0	13.5	1.1
Other income, net	(7.6)	(9.8)	(25.4)	(21.8)
Income from Continuing Operations Before Income Taxes	273.8	173.2	723.7	496.3
Provision for income taxes	60.3	30.3	168.9	104.6
Income (loss) on equity method investments	(3.9)	2.6	(1.2)	(2.5)
Income from Continuing Operations	209.6	145.5	553.6	389.2
Income from discontinued operations, net of tax	0.0	0.5	0.0	0.6
Net Income	209.6	146.0	553.6	389.8
Less: Net income attributable to noncontrolling interests	1.3	0.9	4.7	2.5
Net Income Attributable to Ingersoll Rand Inc.	208.3	145.1	548.9	387.3
Amounts attributable to Ingersoll Rand Inc. common stockholders:
Income from continuing operations, net of tax	208.3	144.6	548.9	386.7
Income from discontinued operations, net of tax	0.0	0.5	0.0	0.6
Net Income Attributable to Ingersoll Rand Inc.	$ 208.3	$ 145.1	$ 548.9	$ 387.3
Basic earnings per share of common stock:
Earnings from continuing operations (in usd per share)	$ 0.51	$ 0.36	$ 1.36	$ 0.95
Earnings from discontinued operations (in usd per share)	0	0	0	0
Net earnings (in usd per share)	0.51	0.36	1.36	0.96
Diluted earnings per share of common stock:
Earnings from continuing operations (in usd per share)	0.51	0.35	1.34	0.94
Earnings from discontinued operations (in usd per share)	0	0	0	0
Net earnings (in usd per share)	$ 0.51	$ 0.36	$ 1.34	$ 0.94