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CONSOLIDATED STATEMENTS OF OPERATIONS Statement of Operations Parenthetical (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Allocated Share-based Compensation Expense	$ 71,565	$ 65,724	$ 68,200

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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