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Goodwill and Indefinite-Lived Intangibles Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2017
Mar. 31, 2018
Apr. 01, 2017
Dec. 31, 2016
Indefinite-lived Intangible Assets [Line Items]        
Indefinite-lived intangibles $ 604.5 $ 604.5 $ 678.5 $ 678.5
Sperry [Member]        
Indefinite-lived Intangible Assets [Line Items]        
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) $ 68.6      
Indefinite-lived intangibles   $ 518.2