CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenues	$ 1,686.5	$ 1,439.9	$ 3,315.8	$ 2,776.9
Cost of sales	989.0	870.1	1,954.1	1,681.0
Gross Profit	697.5	569.8	1,361.7	1,095.9
Selling and administrative expenses	315.6	275.6	626.7	541.1
Amortization of intangible assets	89.7	83.6	182.1	169.8
Other operating expense, net	19.8	13.2	40.2	30.6
Operating Income	272.4	197.4	512.7	354.4
Interest expense	40.8	23.2	79.7	42.2
Loss on extinguishment of debt	0.9	1.1	0.9	1.1
Other income, net	(8.2)	(7.4)	(17.8)	(12.0)
Income from Continuing Operations Before Income Taxes	238.9	180.5	449.9	323.1
Provision for income taxes	60.5	41.9	108.6	74.3
Income (loss) on equity method investments	2.4	(0.8)	2.7	(5.1)
Income from Continuing Operations	180.8	137.8	344.0	243.7
Income from discontinued operations, net of tax	0.0	1.5	0.0	0.1
Net Income	180.8	139.3	344.0	243.8
Less: Net income attributable to noncontrolling interests	1.3	0.8	3.4	1.6
Net Income Attributable to Ingersoll Rand Inc.	179.5	138.5	340.6	242.2
Amounts attributable to Ingersoll Rand Inc. common stockholders:
Income from continuing operations, net of tax	179.5	137.0	340.6	242.1
Income from discontinued operations, net of tax	0.0	1.5	0.0	0.1
Net Income Attributable to Ingersoll Rand Inc.	$ 179.5	$ 138.5	$ 340.6	$ 242.2
Basic earnings per share of common stock:
Earnings from continuing operations (in usd per share)	$ 0.44	$ 0.34	$ 0.84	$ 0.60
Earnings from discontinued operations (in usd per share)	0	0	0	0
Net earnings (in usd per share)	0.44	0.34	0.84	0.60
Diluted earnings per share of common stock:
Earnings from continuing operations (in usd per share)	0.44	0.33	0.83	0.59
Earnings from discontinued operations (in usd per share)	0	0	0	0
Net earnings (in usd per share)	$ 0.44	$ 0.34	$ 0.83	$ 0.59