Earnings Per Share (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,574,879	1,991,262	1,672,689	2,080,931
Numerator:
Net earnings (loss) attributable to Wolverine World Wide, Inc.	$ 14.2	$ 24.0	$ (0.3)	$ 43.0
Adjustment for earnings allocated to non-vested restricted common stock	(0.5)	(0.5)	(0.6)	(1.0)
Net earnings (loss) used in calculating basic and diluted earnings per share	$ 13.7	$ 23.5	$ (0.9)	$ 42.0
Denominator:
Weighted average shares outstanding	80,000,000.0	79,500,000	79,900,000	79,300,000
Effect of dilutive stock options	0	0	0	0
Shares used in calculating diluted earnings per share	80,000,000.0	79,500,000	79,900,000	79,300,000
Net Earnings Per Share: [Abstract]
Basic	$ 0.17	$ 0.30	$ (0.01)	$ 0.53
Diluted	$ 0.17	$ 0.30	$ (0.01)	$ 0.53