Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Sep. 06, 2014	Jun. 14, 2014	Mar. 22, 2014	Sep. 07, 2013	Jun. 15, 2013	Mar. 23, 2013	Jan. 03, 2015	Dec. 28, 2013	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Income Statement [Abstract]
Revenue	$ 711.1	$ 613.5	$ 627.6	$ 716.6	$ 587.8	$ 645.9	$ 808.9	$ 740.8	$ 2,761.1	$ 2,691.1	$ 1,640.8
Cost of goods sold									1,673.8	1,619.0	1,008.1
Acquisition-related transaction and integration costs									0	0	4.5
Restructuring costs									1.0	7.6	0
Gross profit	284.7	245.7	255.8	286.0	241.1	262.1	300.1	275.3	1,086.3	1,064.5	628.2
Selling, general and administrative expenses									815.2	830.0	482.0
Acquisition-related transaction and integration costs									15.2	41.5	32.5
Restructuring costs									26.0	0.7	0
Operating profit									229.9	192.3	113.7
Other expenses:
Interest expense, net									45.4	52.0	14.0
Acquisition-related interest expense									0	0	5.2
Debt extinguishment costs									1.3	13.1	0
Other expense (income), net									1.7	(0.5)	0.3
Total other expenses									48.4	64.6	19.5
Earnings before income taxes									181.5	127.7	94.2
Income taxes									47.6	26.7	13.4
Net earnings									133.9	101.0	80.8
Less: net earnings attributable to noncontrolling interest									0.8	0.6	0.1
Net earnings attributable to Wolverine World Wide, Inc.	$ 57.8	$ 27.5	$ 37.1	$ 54.4	$ 17.9	$ 29.8	$ 10.7	$ (1.7)	$ 133.1	$ 100.4	$ 80.7
Net earnings per share :
Earnings per share - Basic	$ 0.58	$ 0.28	$ 0.37	$ 0.55	$ 0.18	$ 0.30	$ 0.11	$ (0.02)	$ 1.33	$ 1.01	$ 0.84
Earnings per share - Diluted	$ 0.57	$ 0.27	$ 0.36	$ 0.54	$ 0.18	$ 0.30	$ 0.10	$ (0.02)	$ 1.30	$ 0.99	$ 0.81