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Restructuring and Other Charges (Details Textuals) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Unusual or Infrequent Item [Line Items]
Non routine expenses net	$ 7,494	$ 924
Allocated Share-based Compensation Expense	7,186	3,797
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

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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