Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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4.625% Senior notes due 2020

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The percentage by which average market price exceeds the sum of the issue price, accrued original issue discount and contingent additional principal on the zero-coupon subordinated notes at which contingent cash interest becomes payable.

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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Net fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities.

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Fair value of all derivative assets designated as fair value hedging instruments.

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Fair value of all derivative liabilities designated as fair value hedging instruments.

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Net fair value of all derivative instruments designated as fair value hedging instruments.

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Amount of gain (loss) recognized in other comprehensive income (loss) of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
4.625% Senior notes due 2020	$ 599,400,000		$ 597,000,000
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	12,800,000
Long-term Debt, Excluding Current Maturities	5,495,600,000		5,990,900,000
Fair Value Hedge Assets	$ 9,000,000
Debt Instrument, Basis Spread on Variable Rate	2.298%
Fair Value Hedges, Net	$ 600,000
Foreign Currency Contract, Asset, Fair Value Disclosure	$ 9,000,000		2,800,000
Minimum percentage of market price to calculated value of zero-coupon subordinated debt at which the entity is subject to contingent cash interest	120.00%
Embedded derivative, fair value	$ 0
Embedded derivative, impact on condensed consolidated statements of operations	0
Fair Value Hedge Liabilities	(600,000)		(3,100,000)
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)	2,500,000	$ 300,000
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0
Fair Value Hedge Liabilities	(600,000)		(3,100,000)
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)	11,500,000	(100,000)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	$ 0
Fair Value Hedge Liabilities			(2,800,000)
Senior notes due 2022 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	500,000,000		500,000,000
Foreign Currency Contract, Asset, Fair Value Disclosure	4,600,000
Cross currency swap maturing 2022 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 300,000,000
Senior notes due 2020 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.625%
Long-term Debt, Excluding Current Maturities	$ 599,400,000		597,000,000
Senior Long Term Notes Due2020 Member
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	600,000,000		600,000,000
Senior notes due 2025 [Member] [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	1,000,000,000		1,000,000,000
Foreign Currency Contract, Asset, Fair Value Disclosure	4,400,000
Senior notes due 2027 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Excluding Current Maturities	600,000,000		600,000,000
Fair Value, Inputs, Level 2 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair Value Hedges, Net	600,000		3,100,000
Foreign Currency Contract, Asset, Fair Value Disclosure	$ 9,000,000		$ 2,800,000