Lines of Credit and Financing Arrangements (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Discount fees in Selling, General and Administrative Expenses
Interest expense, net	$ 4.4	$ 4.1	$ 13.4	$ 12.5
Asset Securitization [Member]
Discount fees in Selling, General and Administrative Expenses
Interest expense, net	$ 0.3	$ 0.1	$ 0.9	$ 0.5