| **INCOME TAXES (Unrecognized Tax Benefits Rollforward) (Details) - USD ($) $ in Thousands**                          | 12 Months Ended |
|----------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]** |            |   |   |
| Gross unrecognized tax benefits, beginning balance                                                                   | $ 157,582       | $ 151,763 | $ 148,488 |
| Change in Control                                                                                                    |            | 2,233 |   |
| Additions based on tax positions related to the current year                                                         | 633             | 2,681 | 2,339 |
| Additions for tax positions of prior years                                                                           | 106,057         | 38,381 | 936 |
| Reductions for tax positions of prior years                                                                          | (20)            | (31,134) |   |
| Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations              | (1,211)         | (3,400) |   |
| Settlements                                                                                                          |            | (2,942) |   |
| Gross unrecognized tax benefits, ending balance                                                                      | 263,041         | 157,582 | 151,763 |
| Less: Federal, state and local income tax benefits                                                                   | (15,693)        |   |   |
| Net unrecognized tax benefit reserves                                                                                | 247,348         |   |   |
| Unrecognized Tax Benefits                                                                                            |            |   |   |
| **Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]** |            |   |   |
| Gross unrecognized tax benefits, beginning balance                                                                   | 136,738         | 127,804 | 125,465 |
| Change in Control                                                                                                    |            | 1,487 |   |
| Additions based on tax positions related to the current year                                                         | 633             | 2,681 | 2,339 |
| Additions for tax positions of prior years                                                                           | 103,063         | 34,536 | 0 |
| Reductions for tax positions of prior years                                                                          | (11)            | (24,783) |   |
| Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations              | (1,055)         | (2,473) |   |
| Settlements                                                                                                          |            | (2,514) |   |
| Gross unrecognized tax benefits, ending balance                                                                      | 239,368         | 136,738 | 127,804 |
| Gross net unrecognized tax benefits that if recognized would impact the effective tax rate at December 31, 2015      | 239,368         |   |   |
| Accrued Interest and Penalties                                                                                       |            |   |   |
| **Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]** |            |   |   |
| Gross unrecognized tax benefits, beginning balance                                                                   | 20,844          | 23,959 | 23,023 |
| Change in Control                                                                                                    |            | 746 |   |
| Additions based on tax positions related to the current year                                                         | 0               | 0 | 0 |
| Additions for tax positions of prior years                                                                           | 2,994           | 3,845 | 936 |
| Reductions for tax positions of prior years                                                                          | (9)             | (6,351) |   |
| Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations              | (156)           | (927) |   |
| Settlements                                                                                                          |            | (428) |   |
| Gross unrecognized tax benefits, ending balance                                                                      | 23,673          | $ 20,844 | $ 23,959 |
| Gross net unrecognized tax benefits that if recognized would impact the effective tax rate at December 31, 2015      | $ 23,673        |   |   |

| X                                                                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
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| X                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
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| - Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.
+ References
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
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| - Definition
Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.
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| - Definition
Amount of increase in unrecognized tax benefits resulting from acquisitions.
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| - Definition
Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
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| - Definition
Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.
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| - Definition
The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.
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