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DEBT AND CREDIT FACILITIES (Schedule Of Long-Term Debt) (Details) - USD ($) $ in Millions | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Debt Instrument, Par Value | $ 2,238.0 |
LONG-TERM DEBT | $ 2,109.1 | $ 2,092.9
$400 Million 4.875% 2024 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Effective Percentage | 5.00% | 5.00%
Debt Instrument, Par Value | $ 400.0 | $ 400.0
Unamortized Debt Issuance Expense | (4.9) | (5.7)
Debt Instrument, Unamortized Discount | (1.9) | (2.2)
Long-term Debt | $ 393.2 | $ 392.1
$316.25 Million 1.50% 2025 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.26% | 6.26%
Debt Instrument, Par Value | $ 316.3 | $ 316.3
Unamortized Debt Issuance Expense | (4.8) | (5.5)
Debt Instrument, Unamortized Discount | (67.7) | (75.6)
Long-term Debt | $ 243.8 | $ 235.2
$1.075 Billion 5.75% 2025 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.01% | 6.01%
Debt Instrument, Par Value | $ 473.3 | $ 1,073.3
Unamortized Debt Issuance Expense | (3.8) | (9.9)
Debt Instrument, Unamortized Discount | (5.8) | (14.6)
Long-term Debt | $ 463.7 | $ 1,048.8
$750 Million 5.875% 2027 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.49% |
Debt Instrument, Par Value | $ 750.0 |
Unamortized Debt Issuance Expense | (6.5) |
Debt Instrument, Unamortized Discount | (28.0) |
Long-term Debt | $ 715.5 |
$800 Million 6.25% 2040 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Effective Percentage | 6.34% | 6.34%
Debt Instrument, Par Value | $ 298.4 | $ 298.4
Unamortized Debt Issuance Expense | (2.2) | (2.3)
Debt Instrument, Unamortized Discount | (3.3) | (3.3)
Long-term Debt | 292.9 | 292.8
Revolving Credit Facility [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Par Value | 450.0 | 450.0
Credit facility, amount outstanding | $ 0.0 | $ 0.0
$700 Million 4.875% 2021 Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Debt Instrument, Interest Rate, Effective Percentage |  | 4.89%
Debt Instrument, Par Value |  | $ 124.0
Unamortized Debt Issuance Expense |  | (0.2)
Debt Instrument, Unamortized Discount |  | 0.0
Long-term Debt |  | 123.8
Interest Rate Swap [Member] |  |
Debt Instrument [Line Items] |  |
Fair Value Adjustment to Interest Rate Hedge |  | $ 0.2

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 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)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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