CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net Sales	$ 1,649.8	$ 1,325.3	$ 4,642.5	$ 3,973.2
Cost of Sales	1,107.6	917.6	3,138.4	2,710.1
Gross Profit	542.2	407.7	1,504.1	1,263.1
Operating Expenses	388.9	233.8	1,127.9	724.4
Goodwill Impairment	57.3	0.0	57.3	0.0
Asset Impairments	3.7	0.0	6.1	0.0
Loss on Assets Held for Sale	112.7	0.0	112.7	0.0
Total Operating Expenses	562.6	233.8	1,304.0	724.4
(Loss) Income from Operations	(20.4)	173.9	200.1	538.7
Interest Expense	111.5	21.4	323.3	43.8
Interest Income	(3.5)	(1.3)	(40.5)	(3.2)
Other Income, Net	(2.5)	(1.3)	(6.7)	(4.1)
(Loss) Income before Taxes	(125.9)	155.1	(76.0)	502.2
Provision for Income Taxes	12.7	33.2	34.9	110.0
Net (Loss) Income	(138.6)	121.9	(110.9)	392.2
Less: Net Income Attributable to Noncontrolling Interests	0.9	2.1	2.4	4.8
Net (Loss) Income Attributable to Regal Rexnord Corporation	$ (139.5)	$ 119.8	$ (113.3)	$ 387.4
(Loss) Earnings Per Share Attributable to Regal Rexnord Corporation:
Basic (in dollars per share)	$ (2.10)	$ 1.81	$ (1.71)	$ 5.80
Assuming dilution (in dollars per share)		$ 1.80	$ (1.71)	$ 5.76
Weighted Average Number of Shares Outstanding:
Basic (in shares)	66.3	66.3	66.3	66.8
Assuming dilution (in shares)	66.3	66.7	66.3	67.2