STOCK-BASED COMPENSATION AND EMPLOYEE BENEFIT PLANS Stock Option and Stock Appreciation Right Exercise Price Range (Details) (Employee Stock Option And Stock Appreciation Rights, USD $) In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercisable stock options, Quantity	6,754
Exercisable stock options, Weighted Average Exercise Price	$ 20.50
Outstanding stock options, Quantity	6,974
Outstanding stock options, Weighted Average Exercise Price	$ 20.26
Less than $10.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercisable stock options, Quantity	374
Exercisable stock options, Weighted Average Exercise Price	$ 6.61
Outstanding stock options, Quantity	396
Outstanding stock options, Weighted Average Exercise Price	$ 6.57
$10.00 to $20.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercisable stock options, Quantity	2,446
Exercisable stock options, Weighted Average Exercise Price	$ 13.97
Outstanding stock options, Quantity	2,638
Outstanding stock options, Weighted Average Exercise Price	$ 13.92
Greater than $20.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercisable stock options, Quantity	3,934
Exercisable stock options, Weighted Average Exercise Price	$ 25.88
Outstanding stock options, Quantity	3,940
Outstanding stock options, Weighted Average Exercise Price	$ 25.88