Earnings Per Share (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,458,340	426,920	1,070,944	345,247
Numerator:
Net earnings attributable to Wolverine World Wide, Inc.	$ 124.6	$ 44.7	$ 134.3	$ 83.2
Adjustment for earnings allocated to non-vested restricted common stock	(2.5)	(0.7)	(2.6)	(1.4)
Net earnings used in calculating basic and diluted earnings per share	$ 122.1	$ 44.0	$ 131.7	$ 81.8
Denominator:
Weighted average shares outstanding	79,700,000	82,600,000	80,600,000	82,500,000
Adjustment for non-vested restricted common stock	0	(100,000)	0	(200,000)
Shares used in calculating basic earnings per share	79,700,000	82,500,000	80,600,000	82,300,000
Effect of dilutive stock options	200,000	1,100,000	300,000	1,100,000
Shares used in calculating diluted earnings per share	79,900,000	83,600,000	80,900,000	83,400,000
Net earnings per share:
Basic	$ 1.53	$ 0.53	$ 1.63	$ 0.99
Diluted	$ 1.53	$ 0.53	$ 1.63	$ 0.98