Inventory Financing Agreements (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Inventory Financing Agreements [Line Items]
Accounts payable-inventory financing	$ 524.6	$ 429.9
Accounts Payable, Inventory Financing
Inventory Financing Agreements [Line Items]
Revolving Loan financing agreement	470.1	379.1
Other inventory financing agreements	54.5	50.8
Accounts payable-inventory financing	$ 524.6	$ 429.9