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Earnings Per Share (Computation of Basic and Diluted Earnings Per Share) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended
Apr. 01, 2023
Apr. 02, 2022
Earnings Per Share [Abstract]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2,170,599 984,771
Numerator:    
Net earnings attributable to Wolverine World Wide, Inc. $ 19.0 $ 9.7
Adjustment for earnings allocated to non-vested restricted common stock (0.4) (0.2)
Net earnings used in calculating basic and diluted earnings per share $ 18.6 $ 9.5
Denominator:    
Weighted average shares outstanding 79,200,000 81,500,000
Effect of dilutive stock options 0 400,000
Shares used in calculating diluted earnings per share 79,200,000 81,900,000
Net Earnings Per Share: [Abstract]    
Basic $ 0.23 $ 0.12
Diluted $ 0.23 $ 0.12