Annual report pursuant to Section 13 and 15(d)

Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid expenses $ 15.4 $ 12.9
Merchandising materials 14.4 7.7
Fair value of derivative assets 0.0 1.6
Other 2.0 1.6
Total $ 31.8 $ 23.8