Restructuring, Impairment and Other Charges (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Unusual or Infrequent Item [Line Items]
Impairment of Assets	$ 642	$ 6,701	$ 642	$ 6,701
Non routine expenses net			53,017	1,267
Allocated Share-based Compensation Expense	3,284	1,907	10,470	5,704
Accelerated stock compensation expense related to executive severance [Member]
Unusual or Infrequent Item [Line Items]
Allocated Share-based Compensation Expense			2,982
Gains (Losses) on Sales of Assets [Member]
Unusual or Infrequent Item [Line Items]
Non routine expenses net			2,191
Securities Action [Member]
Unusual or Infrequent Item [Line Items]
Loss Contingency, Loss in Period	17,500
FCPA [Member]
Unusual or Infrequent Item [Line Items]
Loss Contingency, Loss in Period	28,000
DNA [Member]
Unusual or Infrequent Item [Line Items]
Impairment of Assets				$ 6,701