Inventory Financing Agreements (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Inventory Financing Agreements [Line Items]
Accounts payable-inventory financing	$ 354.7	$ 332.1
Accounts Payable, Inventory Financing [Member]
Inventory Financing Agreements [Line Items]
Revolving Loan inventory financing agreement	353.2	330.1
Other inventory financing agreements	1.5	2.0
Accounts payable-inventory financing	$ 354.7	$ 332.1