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Business Acquisitions Business Acquisition Acquired Assets and Liabilities (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Business Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables $ 1.8  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory 6.2  
Goodwill, Acquired During Period 12.0 $ 0.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles 12.9  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets 32.9  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent 3.2  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other 4.5  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 7.7  
Business Combination, Assets and Liabilities Arising from Contingencies, Amount Recognized, Net 25.2  
Wolverine Boston Group [Member]    
Business Acquisition [Line Items]    
Goodwill, Acquired During Period $ 12.0