Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the computation of basic and diluted earnings per share:

	Fiscal Year
(In millions, except per share data)	2022		2021		2020
Numerator:
Net earnings (loss) 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)
Denominator:
Weighted average shares outstanding	79.7		82.4		81.8
Adjustment for unvested restricted common stock	—		(0.1)		(0.8)
Shares used to calculate basic earnings per share	79.7		82.3		81.0
Effect of dilutive share-based awards	—		1.0		—
Shares used to calculate diluted earnings per share	79.7		83.3		81.0
Net earnings (loss) per share:
Basic	$	(2.37)	$	0.82	$	(1.70)
Diluted	$	(2.37)	$	0.81	$	(1.70)