Pensions And Other Employee Benefits (Amounts Recognized In The Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Current Liabilities	$ 971	$ 1,223
Long-Term Liabilities	248,750	185,772
Amounts recognized in the balance sheet	249,721	186,995
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Current Liabilities	3,499	3,526
Long-Term Liabilities	62,523	59,045
Amounts recognized in the balance sheet	$ 66,022	$ 62,571