Income Taxes - Schedule of Income (Loss) From Continuing Operations Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 30, 2023	Sep. 30, 2023	Jul. 01, 2023	Apr. 01, 2023	Dec. 31, 2022	Oct. 01, 2022	Jul. 02, 2022	Apr. 02, 2022	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Income Tax Disclosure [Abstract]
Canada									$ (54.9)	$ (1.3)	$ (30.1)
Outside Canada									145.7	79.5	42.7
Income from continuing operations before income taxes	$ 19.3	$ 46.0	$ 22.0	$ 3.5	$ 44.3	$ 21.7	$ 9.2	$ 3.0	$ 90.8	$ 78.2	$ 12.6