CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenues	$ 5,916,300,000	$ 5,152,400,000	$ 3,973,200,000
Cost of sales	3,590,700,000	3,163,900,000	2,568,300,000
Gross Profit	2,325,600,000	1,988,500,000	1,404,900,000
Selling and administrative expenses	1,095,800,000	1,028,000,000	789,300,000
Amortization of intangible assets	347,600,000	332,900,000	335,100,000
Impairment of other intangible assets	0	0	19,900,000
Other operating expense, net	64,900,000	61,900,000	201,000,000.0
Operating Income	817,300,000	565,700,000	59,600,000
Interest expense	103,200,000	87,700,000	111,100,000
Loss on extinguishment of debt	1,100,000	9,000,000.0	2,000,000.0
Other income, net	(29,200,000)	(44,000,000.0)	(8,100,000)
Income (Loss) Before Income Taxes	742,200,000	513,000,000.0	(45,400,000)
Provision (benefit) for income taxes	149,600,000	(21,800,000)	11,400,000
Income (loss) on equity method investments	700,000	(11,400,000)	0
Income (Loss) from Continuing Operations	593,300,000	523,400,000	(56,800,000)
Income from discontinued operations, net of tax	15,200,000	41,600,000	24,400,000
Net Income (Loss)	608,500,000	565,000,000.0	(32,400,000)
Less: Net income attributable to noncontrolling interests	3,800,000	2,500,000	900,000
Net Income (Loss) Attributable to Ingersoll Rand Inc.	604,700,000	562,500,000	(33,300,000)
Amounts attributable to Ingersoll Rand Inc. common stockholders:
Income (loss) from continuing operations, net of tax	589,500,000	520,900,000	(57,700,000)
Income from discontinued operations, net of tax	15,200,000	41,600,000	24,400,000
Net Income (Loss) Attributable to Ingersoll Rand Inc.	$ 604,700,000	$ 562,500,000	$ (33,300,000)
Basic earnings (loss) per share of common stock:
Earnings (loss) from continuing operations (USD per share)	$ 1.45	$ 1.26	$ (0.15)
Earnings (loss) from discontinued operations (USD per share)	0.04	0.10	0.06
Net earnings (loss) (USD per share)	1.49	1.36	(0.09)
Diluted earnings (loss) per share of common stock:
Earnings (loss) from continuing operations (USD per share)	1.44	1.24	(0.15)
Earnings (loss) from discontinued operations (USD per share)	0.04	0.10	0.06
Net earnings (loss) (USD per share)	$ 1.47	$ 1.34	$ (0.09)