CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Statement of Comprehensive Income [Abstract]
Net (Loss) Income	$ (54.3)	$ 494.9	$ 235.8
Translation:
Foreign Currency Translation Adjustments	69.4	(157.9)	(45.5)
Hedging Activities:
Increase in Fair Value of Hedging Activities, Net of Tax Effects of $6.8 Million in 2023, $1.5 Million in 2022 and $11.6 Million in 2021	21.4	4.6	36.7
Reclassification of Gains Included in Net (Loss) Income, Net of Tax Effects of $(3.1) Million in 2023, $(2.6) Million in 2022 and $(12.4) Million in 2021	(9.9)	(8.3)	(39.2)
Reclassification of Gains Included in Net (Loss) Income, Net of Tax Effects of $(3.1) Million in 2023, $(2.6) Million in 2022 and $(12.4) Million in 2021	11.5	(3.7)	(2.5)
Pension and Post Retirement Plans:
(Increase) decrease in Prior Service Cost and Unrecognized Loss, Net of Tax Effects of $(3.3) million in 2023, zero in 2022 and $4.9 Million in 2021	(10.4)	0.1	15.4
Amortization of Prior Service Cost and Unrecognized (Gain) Loss Included in Net Periodic Pension Cost, Net of Tax Effects of $(0.4) Million in 2023, $0.2 Million in 2022 and $0.4 Million in 2021	(1.3)	0.9	1.4
Amortization of Prior Service Cost and Unrecognized (Gain) Loss Included in Net Periodic Pension Cost, Net of Tax Effects of $(0.4) Million in 2023, $0.2 Million in 2022 and $0.4 Million in 2021	(11.7)	1.0	16.8
Other Comprehensive Income (Loss)	69.2	(160.6)	(31.2)
Comprehensive Income	14.9	334.3	204.6
Less: Comprehensive Income Attributable to Noncontrolling Interest	2.6	2.4	6.8
Comprehensive Income Attributable to Regal Rexnord Corporation	$ 12.3	$ 331.9	$ 197.8