Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Income Statement [Abstract]
Revenue	$ 2,273.7	$ 2,239.2	$ 2,350.0
Cost of goods sold	1,349.9	1,317.9	1,426.6
Restructuring costs	0.0	0.0	9.0
Gross profit	923.8	921.3	914.4
Selling, general and administrative expenses	669.3	654.1	706.0
Restructuring and other related costs	0.0	0.0	72.9
Impairment of intangible assets	0.0	0.0	68.6
Environmental and other related costs	83.5	15.3	35.3
Operating profit	171.0	251.9	31.6
Other expenses:
Interest expense, net	30.0	24.5	32.1
Debt extinguishment and other costs	0.0	0.6	0.0
Other expense (income), net	(4.9)	(0.6)	10.1
Total other expenses	25.1	24.5	42.2
Earnings (loss) before income taxes	145.9	227.4	(10.6)
Income tax expense (benefit)	17.0	27.1	(9.9)
Net earnings (loss)	128.9	200.3	(0.7)
Less: net earnings (loss) attributable to noncontrolling interests	0.4	0.2	(1.0)
Net earnings attributable to Wolverine World Wide, Inc.	$ 128.5	$ 200.1	$ 0.3
Net earnings per share :
Earnings per share - Basic	$ 1.48	$ 2.07	$ 0
Earnings per share - Diluted	$ 1.44	$ 2.05	$ 0