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SHAREHOLDERS' EQUITY (DETAILS 2) (Common Stock [Member], USD $)
In Thousands, except Share data, unless otherwise specified |
3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Mar. 31, 2013
Trident [Member]
|
Jun. 30, 2013
In the Open Market [Member]
|
Jun. 30, 2012
In the Open Market [Member]
|
Jun. 30, 2013
In the Open Market [Member]
|
Jun. 30, 2012
In the Open Market [Member]
|
Jun. 30, 2013
From Employees [Member]
|
Jun. 30, 2012
From Employees [Member]
|
Jun. 30, 2013
From Employees [Member]
|
Jun. 30, 2012
From Employees [Member]
|
Jun. 30, 2013
From Founding Shareholder [Member]
|
Jun. 30, 2012
From Founding Shareholder [Member]
|
Jun. 30, 2013
From Founding Shareholder [Member]
|
Jun. 30, 2012
From Founding Shareholder [Member]
|
|
| Treasury Shares [Line Items] | |||||||||||||||||
| Total shares | 5,122,000 | 2,652,000 | 8,491,000 | 4,124,000 | 3,000,000 | 5,048,000 | 2,643,000 | 5,048,000 | 3,840,000 | 74,000 | 9,000 | 443,000 | 284,000 | 0 | 0 | 3,000,000 | 0 |
| Total cost | $ 228,256 | $ 90,259 | $ 359,025 | $ 137,970 | $ 225,000 | $ 89,967 | $ 225,000 | $ 128,723 | $ 3,256 | $ 292 | $ 17,925 | $ 9,247 | $ 0 | $ 0 | $ 116,100 | $ 0 | |
| Average price per share | $ 44.57 | $ 34.03 | $ 42.28 | $ 33.45 | $ 44.57 | $ 34.04 | $ 44.57 | $ 33.52 | $ 44.10 | $ 33.23 | $ 40.47 | $ 32.54 | $ 0.00 | $ 0.00 | $ 38.70 | $ 0.00 | |