CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Income Statement [Abstract]
Net Sales	$ 6,250.7	$ 5,217.9	$ 3,810.3
Cost of Sales	4,183.4	3,548.2	2,698.7
Gross Profit	2,067.3	1,669.7	1,111.6
Operating Expenses	1,537.4	978.4	714.7
Goodwill Impairment	57.3	0.0	33.0
Asset Impairments	7.8	0.9	5.6
Loss on Assets Held for Sale	87.7	0.0	0.0
Total Operating Expenses	1,690.2	979.3	753.3
Income from Operations	377.1	690.4	358.3
Other Income, net	(8.7)	(5.4)	(5.2)
Interest Expense	431.0	87.2	60.4
Interest Income	(43.6)	(5.2)	(7.4)
(Loss) Income before Taxes	(1.6)	613.8	310.5
Provision for Income Taxes	52.7	118.9	74.7
Net (Loss) Income	(54.3)	494.9	235.8
Less: Net Income Attributable to Noncontrolling Interests	3.1	6.0	6.2
Net (Loss) Income Attributable to Regal Rexnord Corporation	$ (57.4)	$ 488.9	$ 229.6
(Loss) Earnings Per Share Attributable to Regal Rexnord Corporation:
Basic (in dollars per share)	$ (0.87)	$ 7.33	$ 4.85
Assuming dilution (in dollars per share)	$ (0.87)	$ 7.29	$ 4.81
Weighted Average Number of Shares Outstanding:
Basic (in shares)	66.3	66.7	47.3
Assuming dilution (in shares)	66.3	67.1	47.7