Accounts Receivable Sales Agreements (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net cash received from receivables sold		$ 1,100.0		$ 1,300.0
Outstanding accounts receivable associated with retail finance joint ventures in Brazil and Australia	$ 20.7	$ 17.7		20.7
Other Expenses, Net [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loss on sales of receivables	$ 4.7		$ 4.4	$ 9.5	$ 9.4
Corporate Joint Venture [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Joint venture ownership percentage	49.00%	49.00%		49.00%