Earnings (Loss) Per Share - Common Stock Reconciliation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
Earnings Per Share [Abstract]
Net earnings (loss)	$ 156.1	$ (72.0)	$ 112.4
Less: Earnings allocated to participating securities	(1.4)	0.0	(1.1)
Net earnings (loss) available to common shareholders	$ 154.7	$ (72.0)	$ 111.3
Average common shares outstanding (millions):
Basic (in shares)	39.4	39.3	39.1
Dilutive share awards (in shares)	0.1	0.0	0.1
Diluted (in shares)	39.5	39.3	39.2
Basic earnings (loss) per share on common stock (in dollars per share)	$ 3.93	$ (1.83)	$ 2.85
Diluted earnings (loss) per share on common stock (in dollars per share)	$ 3.91	$ (1.83)	$ 2.84