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Business Segments (Assets and Goodwill by Segment) (Details) - USD ($) $ in Millions	Apr. 03, 2021	Jan. 02, 2021	Mar. 28, 2020	Dec. 28, 2019
Segment Reporting Information [Line Items]
Total assets	$ 2,267.3	$ 2,137.4	$ 2,753.7
Goodwill	442.7	442.4	434.7	$ 438.9
Wolverine Michigan Group [Member]
Segment Reporting Information [Line Items]
Total assets	684.8	626.9	755.3
Goodwill	145.7	145.4	143.3
Wolverine Boston Group [Member]
Segment Reporting Information [Line Items]
Total assets	1,126.8	1,077.8	1,351.5
Goodwill	297.0	297.0	291.4
Other [Member]
Segment Reporting Information [Line Items]
Total assets	37.0	31.4	41.4
Corporate [Member]
Segment Reporting Information [Line Items]
Total assets	$ 418.7	$ 401.3	$ 605.5

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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