Consolidated Condensed Statements of Operations and Comprehensive Income - USD ($) $ in Millions	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 10, 2016	Sep. 10, 2016	Sep. 30, 2017
Income Statement [Abstract]
Revenue	$ 581.3	$ 603.7	$ 1,765.0	$ 1,771.4
Cost of goods sold	349.4	366.1	1,068.1	1,070.8
Restructuring costs	1.2	0.3	4.2	8.3
Gross profit	230.7	237.3	692.7	692.3
Selling, general and administrative expenses	172.4	167.4	534.5	529.6
Restructuring and impairment costs	23.0	0.9	13.4	65.6
Operating profit	35.3	69.0	144.8	97.1
Other expenses:
Interest expense, net	8.6	8.6	24.9	23.4
Debt extinguishment and other costs	0.0	0.5	0.5	0.0
Other expense (income), net	(0.4)	0.0	1.0	3.4
Total other expenses	8.2	9.1	26.4	26.8
Earnings before income taxes	27.1	59.9	118.4	70.3
Income tax expense	4.3	11.7	28.5	10.2
Net earnings	22.8	48.2	89.9	60.1
Less: net earnings (loss) attributable to noncontrolling interests	(0.4)	0.0	0.3	(0.5)
Net earnings attributable to Wolverine World Wide, Inc.	$ 23.2	$ 48.2	$ 89.6	$ 60.6
Net earnings per share (see Note 3):
Basic	$ 0.24	$ 0.49	$ 0.92	$ 0.63
Diluted	$ 0.24	$ 0.49	$ 0.91	$ 0.62
Comprehensive income	$ 27.6	$ 46.5	$ 86.6	$ 68.0
Less: comprehensive income (loss) attributable to noncontrolling interests	(0.4)	0.4	0.3	0.0
Comprehensive income attributable to Wolverine World Wide, Inc.	$ 28.0	$ 46.1	$ 86.3	$ 68.0
Cash dividends declared per share	$ 0.06	$ 0.06	$ 0.18	$ 0.18