Business Segments (Revenue and Operating Profit by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2021	Sep. 26, 2020	Oct. 02, 2021	Sep. 26, 2020
Segment Reporting Information [Line Items]
Revenue	$ 636.7	$ 493.1	$ 1,779.3	$ 1,281.5
Operating profit (loss)	42.5	42.6	164.4	67.0
Wolverine Michigan Group [Member]
Segment Reporting Information [Line Items]
Revenue	324.8	287.3	976.9	752.5
Operating profit (loss)	61.3	52.3	196.0	133.8
Wolverine Boston Group [Member]
Segment Reporting Information [Line Items]
Revenue	258.8	193.8	717.7	498.4
Operating profit (loss)	44.1	33.0	125.2	60.4
Other [Member]
Segment Reporting Information [Line Items]
Revenue	53.1	12.0	84.7	30.6
Operating profit (loss)	2.4	0.7	3.9	1.0
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (65.3)	$ (43.4)	$ (160.7)	$ (128.2)