SHAREHOLDERS' EQUITY (DETAILS 3) (Common Stock [Member], USD $)	0 Months Ended	12 Months Ended
	Dec. 09, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Treasury Shares [Line Items]
Value of share repurchase authorized by the Board of Directors during the period	$ 750,000,000
Total shares		10,830,000	9,376,000	2,052,000
Total cost		472,263,000	317,687,000	65,885,000
Average price per share		$ 43.61	$ 33.88	$ 32.11
In the Open Market [Member]
Treasury Shares [Line Items]
Total shares		7,362,000	6,057,000	1,609,000
Total cost		337,083,000	203,704,000	49,974,000
Average price per share		$ 45.79	$ 33.63	$ 31.07
From Employees [Member]
Treasury Shares [Line Items]
Total shares		468,000	319,000	443,000
Total cost		19,080,000	10,483,000	15,911,000
Average price per share		$ 40.75	$ 32.85	$ 35.92
From Founding Shareholder [Member]
Treasury Shares [Line Items]
Total shares		3,000,000	3,000,000	0
Total cost		$ 116,100,000	$ 103,500,000	$ 0
Average price per share		$ 38.70	$ 34.50	$ 0.00
From Founding Shareholder [Member] | Trident [Member]
Treasury Shares [Line Items]
Total shares		3,000,000	3,000,000	0