Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Income Statement [Abstract]
Revenue	$ 2,414.9	$ 1,791.1	$ 2,273.7
Cost of goods sold	1,385.0	1,055.5	1,349.9
Gross profit	1,029.9	735.6	923.8
Selling, general and administrative expenses	817.8	639.4	669.3
Impairment of intangible assets	0.0	222.2	0.0
Environmental and other related costs, net of recoveries	56.4	11.1	83.5
Operating profit (loss)	155.7	(137.1)	171.0
Other expenses:
Interest expense, net	37.4	43.6	30.0
Debt extinguishment and other costs	34.3	5.5	0.0
Other expense (income), net	3.7	(2.1)	(4.9)
Total other expenses	75.4	47.0	25.1
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	80.3	(184.1)	145.9
Income tax expense (benefit)	13.3	(45.5)	17.0
Net earnings (loss)	67.0	(138.6)	128.9
Less: net earnings (loss) attributable to noncontrolling interests	(1.6)	(1.7)	0.4
Net earnings (loss) attributable to Wolverine World Wide, Inc.	$ 68.6	$ (136.9)	$ 128.5
Net earnings per share :
Earnings per share - Basic	$ 0.82	$ (1.70)	$ 1.48
Earnings per share - Diluted	$ 0.81	$ (1.70)	$ 1.44