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INCOME TAXES (Operating Loss Carryforwards) (Details) $ in Millions	Dec. 31, 2018 USD ($)
U.S Federal
Operating loss carryforwards
Net operating loss carryforwards	$ 556.3
State
Operating loss carryforwards
Net operating loss carryforwards	292.1
U.S Federal and State
Operating loss carryforwards
Valuation allowance against the related deferred tax assets	137.2
Foreign | China
Operating loss carryforwards
Net operating loss carryforwards	69.1
Valuation allowance against the related deferred tax assets	10.4
Foreign | Countries other than the U.S. and China
Operating loss carryforwards
Net operating loss carryforwards	100.4
Valuation allowance against the related deferred tax assets	$ 16.9

X

- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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