CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net Sales	$ 1,224.1	$ 1,298.5
Cost of Sales	826.0	876.6
Gross Profit	398.1	421.9
Operating Expenses	329.2	252.0
Income from Operations	68.9	169.9
Interest Expense	95.4	9.0
Interest Income	(31.9)	(1.1)
Other Income, Net	(1.4)	(1.3)
Income before Taxes	6.8	163.3
Provision for Income Taxes	12.3	36.2
Net (Loss) Income	(5.5)	127.1
Less: Net Income Attributable to Noncontrolling Interests	0.4	1.5
Net (Loss) Income Attributable to Regal Rexnord Corporation	$ (5.9)	$ 125.6
(Loss) Earnings Per Share Attributable to Regal Rexnord Corporation:
Basic (in dollars per share)	$ (0.09)	$ 1.86
Assuming dilution (in dollars per share)	$ (0.09)	$ 1.85
Weighted Average Number of Shares Outstanding:
Basic (in shares)	66.2	67.4
Assuming dilution (in shares)	66.6	67.9