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Reorganization and Restructuring Charges (Tables)
12 Months Ended
Dec. 31, 2011
Reorganization and Restructuring Charges [Abstract]  
Schedule of Restructuring and Related Costs [Table Text Block]
The component charges of the restructuring program for the years ended December 31, 2011, 2010, and 2009 follows (in thousands):

 
2011
2010
2009
Severance
—

—

5,966

Health insurance
—

—

1,092

Placement services
—

—

431

Total
—

—

7,489