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 |