STOCK-BASED COMPENSATION (Details 4) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended				12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2012 Y	Dec. 31, 2011	Dec. 31, 2010
Compensation cost charged against income
Total employee and non-employee share-based compensation expense included in operating expenses					$ 28,413,000	$ 19,424,000	$ 16,862,000
Total employee and non-employee share-based compensation expense included in income, before income tax					28,413,000	19,424,000	16,862,000
Less: Amount of income tax benefit recognized in earnings					(8,933,000)	(6,646,000)	(4,234,000)
Amount charged against net income					19,480,000	12,778,000	12,628,000
Operating expense
Compensation cost charged against income
Total employee and non-employee share-based compensation expense included in income, before income tax					28,400,000	19,400,000	16,900,000
Stock options
Stock-based compensation
Weighted-average grant-date fair value of options granted (in dollars per share)					$ 25.21	$ 18.45	$ 12.15
Total intrinsic value of options exercised					248,800,000	23,000,000	44,500,000
Cash received from option exercises					10,300,000	20,300,000	20,800,000
Total unrecognized compensation expense related to nonvested shares granted to both employees and non-employees	33,600,000				33,600,000
Cost expected to be recognized over a weighted-average period (in years)					2.2
Stock units and stock awards expected to vest (in shares)	13,542				13,542
Incentive stock option
Compensation cost charged against income
Total employee and non-employee share-based compensation expense included in income, before income tax					5,100,000	4,900,000	4,700,000
Non-Qualified stock option
Compensation cost charged against income
Total employee and non-employee share-based compensation expense included in income, before income tax					23,300,000	14,500,000	12,200,000
Restricted stock units
Stock-based compensation
Total unrecognized compensation expense related to nonvested shares granted to both employees and non-employees	$ 24,700,000				$ 24,700,000
Cost expected to be recognized over a weighted-average period (in years)					2.5
Stock units and stock awards expected to vest (in shares)	500				500
Number of Shares
Non-vested at the beginning of the period (in shares)				724	724
Granted (in shares)	7	10	60	91
Vested (in shares)					(252)
Forfeited/cancelled (in shares)					(3)
Non-vested at the end of the period (in shares)	637				637	724
Weighted-Average Fair Value
Non-vested at the beginning of the period (in dollars per share)				$ 41.66	$ 41.66
Granted (in dollars per share)	$ 48.12	$ 59.87	$ 69.98	$ 57.45	$ 61.73	$ 41.65	$ 19.20
Vested (in dollars per share)					$ 41.43
Forfeited/cancelled (in dollars per share)					$ 61.16
Non-vested at the end of the period (in dollars per share)	$ 46.97				$ 46.97	$ 41.66