DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	$ (23,100,000)		$ (12,000,000.0)
Long-term Debt, Excluding Current Maturities	5,417,300,000		5,417,300,000		$ 5,789,800,000
Foreign Currency Contract, Asset, Fair Value Disclosure					3,200,000
Foreign Currency Contracts, Liability, Fair Value Disclosure	8,800,000		8,800,000
Fair Value Hedge Liabilities	0		0		1,500,000
Gain Interest Rate Swap Arrangement	1,600,000		1,600,000
Senior notes due 2020 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
4.625% Senior notes due 2020	0		0		301,500,000
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss)	0	$ 400,000	800,000	$ 7,200,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	1,600,000	0	1,600,000	0
Fair Value Hedge Assets	0		0		1,500,000
Fair Value Hedge Liabilities	0		0		0
Currency Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss)	(23,100,000)	18,800,000	(12,000,000.0)	22,800,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	$ 0	0	$ 0
Fair Value Hedge Assets	0		0		3,200,000
Fair Value Hedge Liabilities	8,800,000		8,800,000		0
Senior notes due 2022 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	500,000,000.0		500,000,000.0		500,000,000.0
Cross currency swap maturing 2022 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	300,000,000.0		300,000,000.0
Senior notes due 2025 [Member] [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 300,000,000.0		$ 300,000,000.0
Senior notes due 2020 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.625%		4.625%
Senior Long Term Notes Due2020 Member
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	$ 0		$ 0		300,000,000.0
Senior notes due 2025 [Member] [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	1,000,000,000.0		1,000,000,000.0		1,000,000,000.0
Senior notes due 2027 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	600,000,000.0		600,000,000.0		600,000,000.0
Fair Value, Inputs, Level 2 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Contract, Asset, Fair Value Disclosure					$ 3,200,000
Foreign Currency Contracts, Liability, Fair Value Disclosure	$ 8,800,000		$ 8,800,000