Earnings (Loss) per Share Schedule of Earnings per Share Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	6 Months Ended		11 Months Ended	12 Months Ended
	Dec. 29, 2023	Dec. 30, 2022	Jun. 16, 2022	Nov. 14, 2023	Dec. 27, 2024
Earnings Per Share [Abstract]
Income (loss) from continuing operations	$ (38.2)	$ (598.3)	$ (314.0)	$ (1,631.3)	$ 476.6
Income (loss) from discontinued operations, net of income taxes	$ 0.0	$ 0.2	$ 0.9	$ 0.0	$ 1.3
Weighted Average Number of Shares Outstanding, Basic	19.7	13.2	84.8	13.3	19.7
Weighted Average Number of Shares Outstanding, Diluted	19.7	13.2	84.8	13.3	19.8
Income (loss) from continuing operations	$ (1.94)	$ (45.43)	$ (3.70)	$ (122.75)	$ 24.20
Income (Loss) from Discontinued Operations, Per Basic Share	0	0.02	0.01	0	0.07
Earnings Per Share, Basic	(1.94)	(45.41)	(3.69)	(122.75)	24.26
Income (loss) from continuing operations	(1.94)	(45.43)	(3.70)	(122.75)	24.11
Income (Loss) from Discontinued Operations, Per Diluted Share	0	0.02	0.01	0	0.07
Earnings Per Share, Diluted	$ (1.94)	$ (45.41)	$ (3.69)	$ (122.75)	$ 24.17
Weighted Average Number of Shares Outstanding, Diluted	0.0	0.0	0.0	0.0	0.1