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Restructuring Activities Restructuring Activities (Impairment Fair Value) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Restructuring costs - SG&A $ 42.0 $ 34.6 $ 26.0
Property, plant and equipment, net 146.1 131.6  
Indefinite-lived intangibles 678.5 685.4 690.5
Impairment of indefinite-lived intangible assets 7.1 5.1  
Consumer Direct Operations [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Restructuring costs - SG&A 11.0 17.3 21.2
Impairment of property, plant and equipment [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Restructuring costs - SG&A 12.4 17.0  
Impairment of property, plant and equipment [Member] | Fair Value, Inputs, Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Property, plant and equipment, net 0.7 1.8  
Impairment of property, plant and equipment [Member] | Consumer Direct Operations [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Restructuring costs - SG&A 0.2 5.4 $ 5.5
Indefinite-lived Intangible Assets [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment of indefinite-lived intangible assets 7.1    
Stride Rite [Member] | Fair Value, Inputs, Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Indefinite-lived intangibles $ 7.9 15.0  
Stride Rite [Member] | Indefinite-lived Intangible Assets [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Impairment of indefinite-lived intangible assets   $ 2.5