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STOCK-BASED COMPENSATION Operations (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Stock-based compensation charged	$ 5,898	$ 6,837	$ 6,218
Income tax benefit recognized	$ 0	$ 0	$ (317)
Restated Stock Incentive Plan [Member]
Shares authorized for issuance	6,000,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Period	10 years
Stock Options [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	1 year
Stock Options [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years

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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