Business Segments (Assets and Goodwill by Segment) (Details) - USD ($) $ in Millions	Jul. 02, 2022	Jan. 01, 2022	Jul. 03, 2021	Jan. 02, 2021
Segment Reporting Information [Line Items]
Total assets	$ 2,949.0	$ 2,586.4	$ 2,303.6
Goodwill	539.1	556.6	443.6	$ 442.4
Wolverine Michigan Group [Member]
Segment Reporting Information [Line Items]
Total assets	922.2	651.9	702.4
Goodwill	142.6	145.1	145.7
Wolverine Boston Group [Member]
Segment Reporting Information [Line Items]
Total assets	1,263.4	1,123.6	1,157.9
Goodwill	294.2	296.2	297.9
Other [Member]
Segment Reporting Information [Line Items]
Total assets	561.4	606.2	43.4
Goodwill	102.3	115.3	0.0
Corporate [Member]
Segment Reporting Information [Line Items]
Total assets	$ 202.0	$ 204.7	$ 399.9