Lines of Credit and Financing Arrangements (Details 2) (Eligible amounts available and beneficial interest sold [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Eligible amounts available and beneficial interest sold [Member]
Eligible amounts available and beneficial interests sold
Eligible amount available under the ASP on qualified accounts receivable	$ 160.0	$ 160.0
Beneficial interest sold	20.0	30.0
Remaining amount available	$ 140.0	$ 130.0