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STOCKHOLDERS' EQUITY (Details 2) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Directors Deferred Compensation Plan
Number of shares redeemed	72
Share redemption amount	$ 1.7
Employee stock purchase plan
Employee Stock Purchase Plan
Number of shares of common stock authorized for issuance	300
Number of shares of common stock available	300

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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