STOCKHOLDERS' EQUITY (Details 2) (USD $)	16 Months Ended	3 Months Ended			16 Months Ended	3 Months Ended				9 Months Ended	3 Months Ended						9 Months Ended	12 Months Ended	3 Months Ended
	Sep. 30, 2012 Stock Plan 2005 [Member]	Sep. 30, 2012 Restricted Stock Units (RSUs) [Member]	Jun. 30, 2012 Restricted Stock Units (RSUs) [Member]	Mar. 31, 2012 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2012 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2012 Performance Shares [Member]	Jun. 30, 2012 Performance Shares [Member]	Mar. 31, 2012 Performance Shares [Member]	Sep. 30, 2011 Performance Shares [Member]	Sep. 30, 2012 Performance Shares [Member]	Sep. 30, 2012 Restricted Stock Units R S U Non Performance Based [Member]	Jun. 30, 2012 Restricted Stock Units R S U Non Performance Based [Member]	Mar. 31, 2012 Restricted Stock Units R S U Non Performance Based [Member]	Sep. 30, 2012 Employee Stock Option [Member]	Jun. 30, 2012 Employee Stock Option [Member]	Mar. 31, 2012 Employee Stock Option [Member]	Sep. 30, 2012 Employee Stock Option [Member]	Dec. 31, 2011 Employee Stock Option [Member]	Sep. 30, 2012 Employee Stock Option [Member] Minimum	Mar. 31, 2012 Employee Stock Option [Member] Minimum	Sep. 30, 2012 Employee Stock Option [Member] Maximum	Mar. 31, 2012 Employee Stock Option [Member] Maximum
Share-based awards
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	133,000,000
Common stock remained available for grant (in shares)														6,940,000	16,130,000	16,768,000	6,940,000	16,523,000
Common stock remained available for grant after giving effect to plan ratio (in shares)	4,300,000
Vesting period of options (in years)																	4 years
Available for grant
Balance at the beginning of the period (in shares)														16,130,000	16,768,000	16,523,000	16,523,000
Stock units issued (in shares)		(6,283,000)	(632,000)	(210,000)			(98,000)	(200,000)	(3,400,000)	(300,000)	(6,283,000)	(632,000)	(210,000)
Adjustment for restricted stock units issued (in shares)		(3,833,000)	(386,000)	(128,000)			(60,000)	(122,000)
Stock units cancelled (in shares)		456,000	228,000	405,000		75,000	70,000	75,000			456,000	228,000	405,000
Adjustment for restricted stock units cancelled (in shares)		328,000	171,000	301,000		46,000	43,000	46,000
Options cancelled/expired/forfeited (in shares)														21,000	26,000	78,000
Balance at the end of the period (in shares)														6,940,000	16,130,000	16,768,000	6,940,000	16,523,000
Outstanding Options, Number of Options
Balance at the beginning of the period (in shares)														7,488,000	7,644,000	8,217,000	8,217,000
Options cancelled/expired/forfeited (in shares)														(21,000)	(26,000)	(78,000)
Options exercised (in shares)														(258,000)	(130,000)	(495,000)
Balance at the end of the period (in shares)														7,209,000	7,488,000	7,644,000	7,209,000	8,217,000
Outstanding Options, Exercise Price per Share
Balance at the beginning of the period, low end of range (in dollars per share)														$ 1.68		$ 1.68		$ 1.68
Balance at the beginning of the period, high end of range (in dollars per share)														$ 10.01		$ 10.01		$ 10.01
Options cancelled/expired/forfeited, range (in dollars per share)																			$ 2.11	$ 2.11	$ 7.76	$ 8.89
Options exercised, range (in dollars per share)																			$ 1.77	$ 1.80	$ 6.28	$ 8.89
Balance at the end of the period, low end of range (in dollars per share)														$ 1.68		$ 1.68		$ 1.68
Balance at the end of the period, high end of range (in dollars per share)														$ 10.01		$ 10.01		$ 10.01
Weighted-Average Exercise Price per Share
Balances at the beginning of the period (in dollars per share)														$ 4.24	$ 4.24	$ 4.26	$ 4.26
Options cancelled/expired/forfeited (in dollars per share)														$ 4.71	$ 5.12	$ 4.36
Options exercised (in dollars per share)														$ 3.31	$ 4.05	$ 4.58
Balance at the end of the period (in dollars per share)														$ 4.27	$ 4.24	$ 4.24	$ 4.27	$ 4.26
Share-based payment award
Shares counted against the numerical limit for options available for grant on or after May 18, 2011 (in shares)	1.61
Shares counted against the numerical limit for options available for grant prior to May 18, 2011 (in shares)	1.78
Reduction of shares available for grant due to issue of restricted stock units	22,700,000
Restricted stock units issued, net of cancellations (in shares)					14,200,000
Options, Expiration Date																	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value							$ 7.48	$ 10.73			$ 5.95	$ 7.43	$ 10.20