Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
LONG-TERM DEBT (Senior Secured Credit Facility) (Details)
 12 Months Ended
Dec. 31, 2016
USD ($)
Senior Secured Credit Facility Term loan A [Member]  
Debt Instrument [Line Items]  
Face amount $ 190,000,000
Maturity period 5 years
Senior Secured Credit Facility Term loan A [Member] | Minimum [Member]  
Debt Instrument [Line Items]  
Quarterly payments $ 2,400,000
Senior Secured Credit Facility Term loan A [Member] | Maximum [Member]  
Debt Instrument [Line Items]  
Quarterly payments 28,500,000
Senior Secured Credit Facility Term loan B [Member]  
Debt Instrument [Line Items]  
Face amount $ 975,000,000
Maturity period 7 years
Quarterly payments $ 2,400,000
Senior Secured Credit Facility Term loan B [Member] | London Interbank Offered Rate (LIBOR) [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 2.50%
Senior Secured Credit Facility Term loan B [Member] | Base Rate [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 1.50%
Senior Secured Credit Facility [Member]  
Debt Instrument [Line Items]  
Secured indebtedness leverage ratio, maximum 3.25
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 $ 625,000,000
Senior Secured Credit Facility Revolving Credit Facility [Member]  
Debt Instrument [Line Items]  
Maturity period 5 years
Maximum borrowing capacity $ 365,000,000
Outstanding letters of credit 85,300,000
Current borrowing capacity available $ 279,700,000
Senior Secured Credit Facility Revolving Credit Facility [Member] | Maximum [Member]  
Debt Instrument [Line Items]  
Line of credit facility, unused capacity, commitment fee percentage 0.50%
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 200,000,000
Senior Secured Credit Facility Revolving Credit Facility [Member] | Other Foreign Line of Credit [Member]  
Debt Instrument [Line Items]  
Maximum borrowing capacity $ 50,000,000
Senior Secured Credit Facility Revolving Credit Facility & Term loan A [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]  
Debt Instrument [Line Items]  
Basis spread on variable rate 2.25%
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 1.25%