INCOME TAXES - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
Uncertain tax benefits, beginning balance | $ 2.7 | $ 2.7 | $ 4.1 |
Additions for tax positions related to current year | 0.0 | 0.0 | 0.0 |
Additions for tax positions related to prior year | 0.0 | 0.0 | 0.0 |
Reductions for tax positions related to prior years | 0.0 | 0.0 | 0.0 |
Lapse of statute of limitations | 0.0 | 0.0 | (0.3) |
Change in statutory tax rate (1) | 0.0 | 0.0 | (1.1) |
Settlements | 0.0 | 0.0 | 0.0 |
Uncertain tax benefits, ending balance | $ 2.7 | $ 2.7 | $ 2.7 |