STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION (Details 4) (USD $)	Dec. 31, 2012
Ordinary performance grants
Market prices for market performance options to vest
Market Based Options, options expected to vest (in shares)	3
Market Based Options, Weighted average share price (in dollars per share)	$ 80.89
Extraordinary performance grants
Market prices for market performance options to vest
Market Based Options, options expected to vest (in shares)	49
Market Based Options, Weighted average share price (in dollars per share)	$ 61.00
$150.00 - $160.00
Market prices for market performance options to vest
Market Based Options, vesting price, low end of range (in dollars per share)	$ 150.00
Market Based Options, vesting price, high end of range (in dollars per share)	$ 160.00
$150.00 - $160.00 | Extraordinary performance grants
Market prices for market performance options to vest
Market Based Options, options expected to vest (in shares)	3
$160.01 - $170.00
Market prices for market performance options to vest
Market Based Options, vesting price, low end of range (in dollars per share)	$ 160.01
Market Based Options, vesting price, high end of range (in dollars per share)	$ 170.00
$160.01 - $170.00 | Ordinary performance grants
Market prices for market performance options to vest
Market Based Options, options expected to vest (in shares)	3
$180.01 - $190.00
Market prices for market performance options to vest
Market Based Options, vesting price, low end of range (in dollars per share)	$ 180.01
Market Based Options, vesting price, high end of range (in dollars per share)	$ 190.00
$180.01 - $190.00 | Extraordinary performance grants
Market prices for market performance options to vest
Market Based Options, options expected to vest (in shares)	45
Over $190.01
Market prices for market performance options to vest
Market Based Options, vesting price, low end of range (in dollars per share)	$ 190.01
Over $190.01 | Extraordinary performance grants
Market prices for market performance options to vest
Market Based Options, options expected to vest (in shares)	1