Acquisitions and Divestitures - Schedule of Results of Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Net sales	$ 2,526.4	$ 2,434.0	$ 2,361.8
Net income (loss)	0.0	0.0	$ 0.0
Kimball International, Inc
Business Acquisition [Line Items]
Net sales	594.4	361.4
Net income (loss)	$ 36.4	$ (3.0)