Business Segments (Revenue and Operating Profit by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Segment Reporting Information [Line Items]
Revenue	$ 631.9	$ 349.1	$ 1,142.6	$ 788.4
Operating profit (loss)	63.8	7.5	121.9	24.4
Wolverine Michigan Group [Member]
Segment Reporting Information [Line Items]
Revenue	354.4	217.4	652.1	465.2
Operating profit (loss)	75.5	38.4	134.7	81.5
Wolverine Boston Group [Member]
Segment Reporting Information [Line Items]
Revenue	258.0	122.5	458.9	304.6
Operating profit (loss)	47.0	8.6	81.1	27.4
Other [Member]
Segment Reporting Information [Line Items]
Revenue	19.5	9.2	31.6	18.6
Operating profit (loss)	1.2	0.4	1.5	0.3
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (59.9)	$ (39.9)	$ (95.4)	$ (84.8)