Business Segments (Revenue and Operating Profit by Segment) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Segment Reporting Information [Line Items]
Revenue	$ 493.1	$ 574.3	$ 1,281.5	$ 1,666.3
Operating profit (loss)	42.6	68.3	67.0	176.2
Wolverine Michigan Group [Member]
Segment Reporting Information [Line Items]
Revenue	287.3	318.8	752.5	939.7
Operating profit (loss)	52.3	66.0	133.8	183.8
Wolverine Boston Group [Member]
Segment Reporting Information [Line Items]
Revenue	193.8	241.3	498.4	676.8
Operating profit (loss)	33.0	46.5	60.4	115.7
Other [Member]
Segment Reporting Information [Line Items]
Revenue	12.0	14.2	30.6	49.8
Operating profit (loss)	0.7	0.7	1.0	3.0
Corporate [Member]
Segment Reporting Information [Line Items]
Operating profit (loss)	$ (43.4)	$ (44.9)	$ (128.2)	$ (126.3)