STOCK-BASED COMPENSATION (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 stock_incentive_plan	Dec. 31, 2011	Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock incentive plans	1
Shares available for issuance under the Stock Incentive Plan (in shares)	4,500,000
Stock Options, Fair Value Assumptions [Abstract]
Cash received from exercise of stock options	$ 87,671,000	$ 44,624,000	$ 15,484,000
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	12,500,000	15,600,000	21,000,000
Options exercisable, 3 years (in hundredths)	33.00%
Expiration term (in years)	10 years
Stock Options, Fair Value Assumptions [Abstract]
Black-Scholes-Merton Value (in dollars per share)	$ 7.52	$ 11.08	$ 7.45
Dividend yield (in hundredths)	1.60%	0.00%	0.00%
Risk-free interest rate (in hundredths)	0.50%	0.90%	1.40%
Expected volatility (in hundredths)	37.30%	41.90%	47.40%
Expected life (in years)	3 years 7 months 6 days	3 years 6 months	3 years 6 months
Cash received from exercise of stock options	87,700,000	44,600,000	15,500,000
Total intrinsic value of options exercised	46,300,000	20,900,000	11,300,000
Tax benefit realized from exercise of stock options	18,100,000	7,700,000	4,100,000
Unrecognized compensation cost (net of expected forfeitures)	16,600,000
Unrecognized compensation cost, weighted average period for recognition (in years)	1 year 10 months 24 days
Stock Options Activity [Roll Forward]
Outstanding, beginning (in shares)	10,744,000
Granted (in shares)	1,650,000
Exercised (in shares)	(3,612,000)
Cancelled and expired (in shares)	(1,907,000)
Outstanding, ending (in shares)	6,875,000	10,744,000
Exercisable (in shares)	4,074,000
Weighted-Average Exercise Price [Abstract]
Outstanding, beginning (in dollars per share)	$ 36.20
Granted (in dollars per share)	$ 30.21
Exercised (in dollars per share)	$ 24.27
Cancelled and expired (in dollars per share)	$ 42.14
Outstanding, ending (in dollars per share)	$ 39.37	$ 36.20
Exercisable (in dollars per share)	$ 45.58
Aggregate Intrinsic Value [Abstract]
Outstanding, intrinsic value	58,051,000
Exercisable, intrinsic value	17,458,000
Weighted Average Remaining Contractual Life [Abstract]
Outstanding (in years)	6 years 1 month 17 days
Exercisable (in years)	4 years 3 months 15 days
Restricted Stock Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	17,100,000	24,900,000	19,500,000
Options exercisable, 4 years (in hundredths)	25.00%
Stock Options, Fair Value Assumptions [Abstract]
Unrecognized compensation cost (net of expected forfeitures)	15,300,000
Unrecognized compensation cost, weighted average period for recognition (in years)	1 year 4 months 24 days
Weighted Average Remaining Contractual Life [Abstract]
Fair value of shares vested	28,300,000	25,600,000	14,400,000
RSA, PSU, and RSU [Roll Forward]
Nonvested, beginning (in shares)	2,108,000
Granted (in shares)	109,000
Vested (in shares)	(826,000)
Forfeited (in shares)	(218,000)
Nonvested, ending (in shares)	1,173,000	2,108,000
Weighted-Average Grant-Date Fair Value Per Share [Abstract]
Nonvested/outstanding, beginning (in dollars per share)	$ 26.62
Awarded/granted (in dollars per share)	$ 32.45	$ 34.51	$ 21.45
Vested (in dollars per share)	$ 26.10
Cancelled/forfeited (in dollars per share)	$ 27.53
Nonvested/outstanding, ending (in dollars per share)	$ 27.37	$ 26.62
Performance Share Units [Member]
RSA, PSU, and RSU [Roll Forward]
Nonvested, beginning (in shares)	0
Granted (in shares)	627,000
Vested (in shares)	0
Forfeited (in shares)	0
Nonvested, ending (in shares)	627,000
Restricted Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense recognized	7,200,000
RSA, PSU, and RSU [Roll Forward]
Nonvested, beginning (in shares)	0
Granted (in shares)	614,000
Vested (in shares)	0
Forfeited (in shares)	(10,000)
Nonvested, ending (in shares)	604,000
Weighted-Average Grant-Date Fair Value Per Share [Abstract]
RSU related liability	$ 7,200,000