Retirement Plans - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan	$ (101.1)	$ (104.9)
Accumulated benefit obligation	$ 441.3	$ 438.7
Defined benefit plan compensation increase assumption	3.00%	3.00%
Employer contributions	$ 15.5	$ 16.6
Expected contribution to defined benefit pension plans	18.7
US
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan	(47.4)	(52.4)
Employer contributions	21.7	29.5	$ 24.3
International Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Funded (unfunded) status of plan	(53.7)	(52.5)
Employer contributions	$ 11.8	$ 14.0	$ 15.7

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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REGAL REXNORD CORP 10-K