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INCOME TAXES - OPERATING LOSS AND TAX CREDIT CARRYFORWARDS (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Operating Loss and Tax Credit Carryforwards |  |
Alternative minimum tax credit carryforwards | $ 6.7 | $ 5.9
Valuation allowances | 10.6 | 11.5
Operating loss carryforwards, not expected to benefit the entity | 157.9 | 152.0
U.S. Federal Income Tax |  |
Operating Loss and Tax Credit Carryforwards |  |
Net operating losses carryforwards | 71.2 | 74.5
State Income Tax |  |
Operating Loss and Tax Credit Carryforwards |  |
Net operating losses carryforwards | 184.5 | 189.2
Alternative minimum tax credit carryforwards | 6.7 | 5.9
Foreign Income Tax |  |
Operating Loss and Tax Credit Carryforwards |  |
Net operating losses carryforwards | 14.0 | 18.4
Valuation allowances | $ 14.0 | $ 18.4

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