Earnings Per Share Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net earnings attributable to Wolverine World Wide, Inc.	$ (188.3)	$ 68.6	$ (136.9)
Less: net earnings attributed to participating share-based awards	(0.6)	(1.1)	(0.8)
Net earnings (loss) used to calculate earnings per share	$ (188.9)	$ 67.5	$ (137.7)
Weighted average shares outstanding Before Adjustments	79.7	82.4	81.8
Adjustment for unvested restricted common stock	0.0	(0.1)	(0.8)
Shares used to calculate basic earnings per share	79.7	82.3	81.0
Effect of dilutive share-based awards	0.0	1.0	0.0
Shares used to calculate diluted earnings per share	79.7	83.3	81.0
Earnings per share - Basic	$ (2.37)	$ 0.82	$ (1.70)
Earnings per share - Diluted	$ (2.37)	$ 0.81	$ (1.70)