Business Segments (Revenue and Operating Profit by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Segment Reporting Information [Line Items]
Revenue	$ 349.1	$ 568.6	$ 788.4	$ 1,092.0
Operating profit (loss)	7.5	55.5	24.4	107.9
Wolverine Michigan Group [Member]
Segment Reporting Information [Line Items]
Revenue	217.4	318.2	465.2	620.9
Operating profit (loss)	38.4	59.3	81.5	117.8
Wolverine Boston Group [Member]
Segment Reporting Information [Line Items]
Revenue	122.5	230.7	304.6	435.5
Operating profit (loss)	8.6	37.2	27.4	69.2
Other [Member]
Segment Reporting Information [Line Items]
Revenue	9.2	19.7	18.6	35.6
Operating profit (loss)	0.4	1.5	0.3	2.3
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (39.9)	$ (42.5)	$ (84.8)	$ (81.4)