Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

DEBT AND CREDIT FACILITIES DEBT AND CREDIT FACILITIES (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Debt Instrument, Par Value	$ 2,238.0		$ 2,238.0
Extinguishment of Debt, Amount	714.0	$ 15.5	724.0	$ 15.5
$750 Million 5.875% 2027 Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Par Value	$ 750.0		$ 750.0
Debt issuance, discount rate	96.125%		96.125%
Repurchase price if triggering event occurs			1.01
Debt Issuance Costs, Gross	$ 6.8		$ 6.8
$1.075 Billion 5.75% 2025 Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Par Value	473.3		473.3		$ 1,073.3
Extinguishment of Debt, Amount	$ 600.0	$ 1.7	$ 600.0	$ 1.7