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SHAREHOLDERS' EQUITY (DETAILS 2) - Common Stock [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Treasury Shares [Line Items] |  |  |  |
Total shares | 60 | 3,058 | 350 | 7,094
Total cost | $ 3,158 | $ 139,380 | $ 17,929 | $ 318,082
Average price per share | $ 52.51 | $ 45.59 | $ 51.22 | $ 44.84
In the Open Market [Member] |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares | 0 | 2,970 | 16 | 6,680
Total cost | $ 0 | $ 135,395 | $ 832 | $ 300,000
Average price per share | $ 0.00 | $ 45.59 | $ 50.69 | $ 44.91
From Employees [Member] |  |  |  |
Treasury Shares [Line Items] |  |  |  |
Total shares | 60 | 88 | 334 | 414
Total cost | $ 3,158 | $ 3,985 | $ 17,097 | $ 18,082
Average price per share | $ 52.51 | $ 45.57 | $ 51.17 | $ 43.66

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