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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 6 Months Ended
Jul. 01, 2023
Jul. 02, 2022
Jul. 01, 2023
Jul. 02, 2022
Earnings Per Share [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,991,262 1,458,340 2,080,931 1,070,944
Numerator:        
Net earnings attributable to Wolverine World Wide, Inc. $ 24.0 $ 124.6 $ 43.0 $ 134.3
Adjustment for earnings allocated to non-vested restricted common stock (0.5) (2.5) (1.0) (2.6)
Net earnings used in calculating basic and diluted earnings per share $ 23.5 $ 122.1 $ 42.0 $ 131.7
Denominator:        
Weighted average shares outstanding 79,500,000 79,700,000 79,300,000 80,600,000
Effect of dilutive stock options 0 200,000 0 300,000
Shares used in calculating diluted earnings per share 79,500,000 79,900,000 79,300,000 80,900,000
Net Earnings Per Share: [Abstract]        
Basic $ 0.30 $ 1.53 $ 0.53 $ 1.63
Diluted $ 0.30 $ 1.53 $ 0.53 $ 1.63