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Lines of Credit and Financing Arrangements (Details Textual) (Foreign Obligations [Member], USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Foreign Obligations [Member]
    
Lines of Credit and Financing Arrangements (Textual) [Abstract]    
Borrowings under foreign lines of credit facility $ 4.9 $ 4.7