Lines of Credit and Financing Arrangements (Details Textual 1) (USD $) In Millions, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Lines of Credit and Financing Arrangements (Textual) [Abstract]
Borrowings under foreign lines of credit facility	$ 11.4	$ 4.7
Foreign Obligations [Member]
Lines of Credit and Financing Arrangements (Textual) [Abstract]
Borrowings under foreign lines of credit facility	$ 11.4	$ 4.7