CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income	$ 33.2	$ 143.2	$ 27.7	$ 270.3
Other Comprehensive Income (Loss) Net of Tax:
Foreign Currency Translation Adjustments	(30.5)	(120.8)	4.0	(121.2)
Hedging Activities:
Increase (Decrease) in Fair Value of Hedging Activities, Net of Tax Effects of $1.2 million and $(10.5) million for the Three Months Ended June 30, 2023 and June 30, 2022 and $6.5 million and $(2.2) million for the Six Months Ended June 30, 2023 and June 30, 2022, Respectively	3.7	(32.9)	20.5	(6.8)
Reclassification of Losses (Gains) included in Net Income, Net of Tax Effects of $(0.2) million and $(1.5) million for the Three Months Ended June 30, 2023 and June 30, 2022 and $0.2 million and $(3.5) million for the Six Months Ended June 30, 2023 and June 30, 2022, Respectively	(0.5)	(5.3)	0.8	(11.3)
Pension and Post Retirement Plans:
Reclassification Adjustments for Pension and Post Retirement Benefits included in Net Income, Net of Tax Effects of $(0.2) million and $0.1 million for the Three Months Ended June 30, 2023 and June 30, 2022 and $(0.3) million and $0.1 million for the Six Months Ended June 30, 2023 and June 30, 2022, Respectively	(0.4)	0.1	(0.8)	0.3
Other Comprehensive (Loss) Income	(27.7)	(158.9)	24.5	(139.0)
Comprehensive Income (Loss)	5.5	(15.7)	52.2	131.3
Less: Comprehensive Income (Loss) Attributable to Noncontrolling Interests	(0.1)	(1.1)	0.6	0.8
Comprehensive Income (Loss) Attributable to Regal Rexnord Corporation	$ 5.6	$ (14.6)	$ 51.6	$ 130.5