CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 02, 2021	Sep. 30, 2022	Oct. 02, 2021
Income Statement [Abstract]
Net Sales	$ 1,325,300,000	$ 892,700,000	$ 3,973,200,000	$ 2,593,700,000
Cost of Sales	917,600,000	624,600,000	2,710,100,000	1,818,100,000
Gross Profit	407,700,000	268,100,000	1,263,100,000	775,600,000
Operating Expenses	233,800,000	144,400,000	724,400,000	432,900,000
Asset Impairments	0	2,800,000	0	5,100,000
Total Operating Expenses	233,800,000	147,200,000	724,400,000	438,000,000.0
Income from Operations	173,900,000	120,900,000	538,700,000	337,600,000
Other Income, Net	(1,300,000)	(1,200,000)	(4,100,000)	(3,600,000)
Interest Expense	21,400,000	22,000,000.0	43,800,000	46,100,000
Interest Income	(1,300,000)	(2,300,000)	(3,200,000)	(5,500,000)
Income before Taxes	155,100,000	102,400,000	502,200,000	300,600,000
Provision for Income Taxes	33,200,000	21,000,000.0	110,000,000.0	62,900,000
Net Income	121,900,000	81,400,000	392,200,000	237,700,000
Less: Net Income Attributable to Noncontrolling Interests	2,100,000	1,600,000	4,800,000	4,600,000
Net Income Attributable to Regal Rexnord Corporation	$ 119,800,000	$ 79,800,000	$ 387,400,000	$ 233,100,000
Earnings Per Share Attributable to Regal Rexnord Corporation:
Basic (in dollars per share)	$ 1.81	$ 1.96	$ 5.80	$ 5.73
Assuming Dilution (in dollars per share)	$ 1.80	$ 1.95	$ 5.76	$ 5.69
Weighted Average Number of Shares Outstanding:
Basic (in shares)	66.3	40.7	66.8	40.7
Assuming Dilution (in shares)	66.7	41.0	67.2	41.0