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Income Taxes (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Income Taxes [Line Items]  
Increase resulting from current period tax positions $ 1,997
Decrease resulting from audit settlements 6,944
Long Term Liabilities [Member]
 
Income Taxes [Line Items]  
Total amount of accrued interest and penalties resulting from unrecognized tax benefits $ 15,995
Years 2005 through 2010 [Member] | Anchen [Member]
 
Income Taxes [Line Items]  
Number of states under audit 2