Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Additional Information) (Details)

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INCOME TAXES (Additional Information) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Tax Credit Carryforward [Line Items]        
Undistributed earnings of foreign subsidiaries indefinitely invested $ 85,700,000 $ 85,700,000    
Deferred tax liability not recognized, amount of unrecognized deferred tax liability, undistributed earnings of foreign subsidiaries 6,400,000 6,400,000    
Tax Cuts and Jobs Act of 2017, transition tax for accumulated foreign earnings   0    
Research and development costs 26,700,000 26,700,000 $ 13,700,000  
Deferred tax asset related to net operating loss and capital loss and foreign tax credit carryforwards and research and development credit 324,200,000 324,200,000    
Deferred tax asset valuation allowance 401,800,000 401,800,000 307,300,000  
Cash paid for income taxes, net of amounts refunded   215,700,000 173,400,000 $ 202,900,000
Unrecognized tax benefits 38,000,000 38,000,000 36,000,000  
Unrecognized tax benefits, interest and penalties 3,000,000 3,000,000 3,500,000  
Unrecognized tax benefits that would have affected the effective tax rate 35,700,000 35,700,000 33,300,000  
Unrecognized tax benefits that would impact effective tax rate, income tax penalties and interest accrued   2,600,000 2,800,000  
Income tax, penalties and interest accrued 1,400,000 1,400,000 $ 1,100,000  
Tax Cuts and Jobs Act of 2017, income tax benefit 48,300,000      
Tax Cuts and Jobs Act of 2017, reduction in net deferred tax liability   85,100,000    
Tax Cuts and Jobs Act of 2017, tax credit carryforward, valuation allowance 17,600,000 17,600,000    
Tax Cuts and Jobs Act of 2017, income tax expense due to inability to claim foreign tax credit 16,400,000      
Minimum        
Tax Credit Carryforward [Line Items]        
Decrease unrecognized tax benefits is reasonably possible 0 0    
Maximum        
Tax Credit Carryforward [Line Items]        
Decrease unrecognized tax benefits is reasonably possible 18,300,000 18,300,000    
Operating Loss and Capital Loss and Foreign Tax Credit Carryforwards and Research and Development Credit        
Tax Credit Carryforward [Line Items]        
Deferred tax asset valuation allowance 270,900,000 270,900,000    
Foreign Country        
Tax Credit Carryforward [Line Items]        
Operating loss carryforwards 947,200,000 947,200,000    
Expire At Various Times Between 2018 and 2037 | United States Federal        
Tax Credit Carryforward [Line Items]        
Operating loss carryforwards 69,800,000 69,800,000    
Expire At Various Times Between 2018 and 2037 | Foreign Country        
Tax Credit Carryforward [Line Items]        
Operating loss carryforwards 11,000,000 11,000,000    
Net Operating Loss Indefinite Life | Foreign Country        
Tax Credit Carryforward [Line Items]        
Operating loss carryforwards 936,200,000 936,200,000    
Capital Loss Indefinite Life | Foreign Country        
Tax Credit Carryforward [Line Items]        
Operating loss carryforwards 16,700,000 16,700,000    
Expire in 2018 | State        
Tax Credit Carryforward [Line Items]        
Capital loss carryforwards 2,500,000 2,500,000    
Expire in Years 2022 through 2026 | Foreign Country        
Tax Credit Carryforward [Line Items]        
Tax credit carryforward $ 17,600,000 $ 17,600,000