Annual report pursuant to Section 13 and 15(d)

LONG-TERM DEBT (Senior Secured Credit Facility) (Details)

v3.19.3.a.u2
LONG-TERM DEBT (Senior Secured Credit Facility) (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
Oct. 31, 2019
USD ($)
Senior Secured Credit Facility Term Loan A [Member]    
Debt Instrument [Line Items]    
Maturity period 5 years  
Face amount $ 400,000,000  
Time period which the delayed draw term loan A facility is available to be drawn 2 years  
Senior Secured Credit Facility Term Loan A [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Debt instrument period payment of principal, percentage 0.625%  
Senior Secured Credit Facility Term Loan A [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Debt instrument period payment of principal, percentage 1.25%  
Senior Secured Credit Facility Term loan B [Member]    
Debt Instrument [Line Items]    
Maturity period 7 years  
Face amount $ 950,000,000 $ 950,000,000
Quarterly payments $ 2,400,000  
Senior Secured Credit Facility Term loan B [Member] | Eurodollar [Member]    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.75%  
Senior Secured Credit Facility Term loan B [Member] | Base Rate [Member]    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.75%  
Senior Secured Credit Facility Revolving Credit Facility [Member]    
Debt Instrument [Line Items]    
Maturity period 5 years  
Maximum borrowing capacity $ 500,000,000  
Outstanding letters of credit 83,500,000  
Current borrowing capacity available $ 416,500,000  
Senior Secured Credit Facility Revolving Credit Facility [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Revolving credit facility, commitment fee on undrawn portion available 0.35%  
Senior Secured Credit Facility Revolving Credit Facility [Member] | Letter of Credit [Member]    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 150,000,000  
Senior Secured Credit Facility Revolving Credit Facility [Member] | Swingline Loans [Member]    
Debt Instrument [Line Items]    
Maximum borrowing capacity 50,000,000  
Senior Secured Credit Facility Revolving Credit Facility [Member] | Euro And British Pound Line of Credit [Member]    
Debt Instrument [Line Items]    
Maximum borrowing capacity 300,000,000  
Senior Secured Credit Facility Revolving Credit Facility [Member] | Other Foreign Line of Credit [Member]    
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 100,000,000  
Senior Secured Credit Facility [Member]    
Debt Instrument [Line Items]    
Secured indebtedness leverage ratio, maximum 3.75  
Percentage of capital stock of foreign wholly owned (first-tier) subsidiaries 65.00%  
Senior Secured Credit Facility [Member] | Minimum [Member]    
Debt Instrument [Line Items]    
Additional borrowing capacity available $ 985,000,000  
Senior Secured Credit Facility Revolving Credit Facility & Term loan A [Member] | Eurodollar [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.75%  
Senior Secured Credit Facility Revolving Credit Facility & Term loan A [Member] | Base Rate [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.75%