Pensions and Other Post-Employment Liabilities (Details Textual) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012	Jan. 20, 2011
Pensions and Other Post-Employment Liabilities (Textual) [Abstract]
Accrued pension liabilities		$ 5,623
Remaining pension obligations		$ 0
First plan for service and early retirement provision	25 or 40 years

This represents the entire liability recognized in the balance sheet that is associated with the defined benefit plans.

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