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LONG-TERM DEBT (Details) - USD ($) $ in Millions |  |  | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 03, 2016 | Jan. 01, 2015 | Jun. 30, 2016 | Jan. 11, 2016 | Jan. 10, 2016 | Dec. 24, 2014 | Dec. 19, 2014
Universal Service Administrative Company |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Commitment fee (as a percent) |  |  | 1.75% |  |  |  |
Amended Credit Facility [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 400.0 | $ 275.0 |  |
Term loans | Ahana Debt |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Term loan assumed |  |  |  |  |  | $ 38.9 |
Outstanding debt |  |  | $ 29.7 |  |  |  |
Term loans | Ahana Debt | Minimum |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Effective interest rate (as a percent) |  |  | 4.50% |  |  |  |
Term loans | Ahana Debt | Maximum |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Effective interest rate (as a percent) |  |  | 6.00% |  |  |  |
Term loans | Public Service Electric & Gas Note [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Stated interest rate |  |  | 11.30% |  |  |  |
Revolving credit facility | Amended Credit Facility [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 225.0
Revolving credit facility | Amended Credit Facility [Member] | Minimum |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Commitment fee (as a percent) |  |  | 0.175% |  |  |  |
Revolving credit facility | Amended Credit Facility [Member] | Minimum | LIBOR |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 1.50% |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 1.50% |  |  |  |
Revolving credit facility | Amended Credit Facility [Member] | Minimum | Base rate |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 0.50% |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 0.50% |  |  |  |
Revolving credit facility | Amended Credit Facility [Member] | Maximum |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Commitment fee (as a percent) |  |  | 0.25% |  |  |  |
Revolving credit facility | Amended Credit Facility [Member] | Maximum | LIBOR |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 1.75% |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 1.75% |  |  |  |
Revolving credit facility | Amended Credit Facility [Member] | Maximum | Base rate |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 0.75% |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 0.75% |  |  |  |
Revolving credit facility | Amended Credit Facility [Member] | Amended Credit Facility [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | 200.0 |  |  |
Swingline sub-facility | Amended Credit Facility [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | 10.0
Swingline sub-facility | Amended Credit Facility [Member] | Federal Funds Effective Rate |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 0.50% |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 0.50% |  |  |  |
Swingline sub-facility | Amended Credit Facility [Member] | Minimum | Base rate |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 1.00% |  |  |  |
Basis spread on variable rate (as a percent) |  |  | 1.00% |  |  |  |
Letter of credit sub-facility |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Outstanding letters of credit |  |  | $ 10.6 |  |  |  |
Letter of credit sub-facility | Wholesale Mobility Funds |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Borrowings |  |  | 0.0 |  |  |  |
Letter of credit sub-facility | Amended Credit Facility [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | 10.0
Letter of credit sub-facility | Amended Credit Facility [Member] | Wholesale Mobility Funds |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 25.0
KeyTech [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Termination of facility |  | $ 24.7 |  |  |  |  |
Outstanding debt |  |  | $ 33.8 |  |  |  |
KeyTech [Member] | Three month LIBOR |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 3.25% |  |  |  |  |  |
Outstanding debt | $ 35,400.0 |  |  |  |  |  |
Basis spread on variable rate (as a percent) | 3.25% |  |  |  |  |  |
KeyTech [Member] | Amended Credit Facility [Member] | Amended Credit Facility [Member] |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Secured debt principal amount |  |  |  | 60.0 |  |  |
KeyTech [Member] | Amended Credit Facility [Member] | Amended Credit Facility [Member] | Maximum |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |
Potential cash dividend |  |  |  | $ 13.0 |  |  |

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