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SHAREHOLDERS' EQUITY (DETAILS 2) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
August 17, 2015 ASR agreement [Member] |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares | 4,149,378 |  | 4,149,378 |
Total cost | $ 300,000 |  |  |
Common Stock [Member] |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares | 4,257,000 | 3,169,000 | 4,607,000 | 10,263,000
Total cost | $ 246,147 | $ 150,449 | $ 264,076 | $ 468,532
Average price per share | $ 57.83 | $ 47.48 | $ 57.32 | $ 45.65
Common Stock [Member] | In the Open Market [Member] |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares | 4,248,000 | 3,159,000 | 4,264,000 | 9,838,000
Total cost | $ 245,658 | $ 150,000 | $ 246,490 | $ 450,000
Average price per share | $ 57.83 | $ 47.49 | $ 57.80 | $ 45.74
Common Stock [Member] | In the Open Market [Member] | August 17, 2015 ASR agreement [Member] |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares | 4,149,378 |  | 4,149,378 |
Common Stock [Member] | From Employees [Member] |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares | 9,000 | 10,000 | 343,000 | 425,000
Total cost | $ 489 | $ 449 | $ 17,586 | $ 18,532
Average price per share | $ 55.59 | $ 45.39 | $ 51.28 | $ 43.65

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