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FINANCING (Unsecured Revolving Credit Facility) (Narrative) (Details) - Line of credit facility [Member] - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Financing |  |
Unsecured revolving credit facility | $ 0.0 | $ 0.0
Unsecured debt [Member] |  |
Financing |  |
Credit agreement inception date | Jun. 15, 2021 |
Number of years in credit facility, term | 5 years |
Current maximum borrowing capacity under credit facility | $ 1,800.0 |
Maximum aggregate increase to credit facility allowable | 900.0 |
Maximum aggregate capacity of credit facility allowable | 2,700.0 |
Letters of credit | $ 84.0 | $ 66.4
Line of credit facility fee percentage | 0.10% |
Minimum debt instrument consolidated fixed charge coverage ratio covenant | 2.50 |
Maximum debt instrument consolidated leverage ratio covenant | 3.50 |
Unsecured debt [Member] | Spread over Alternate Base rate [Member] |  |
Financing |  |
Line of credit current interest rate | 0.00% |
Unsecured debt [Member] | Spread over Eurodollar Revolving rate [Member] |  |
Financing |  |
Line of credit current interest rate | 0.90% |
Unsecured debt [Member] | Letter of credit [Member] |  |
Financing |  |
Line of credit facility sublimit | $ 200.0 |
Unsecured debt [Member] | Swing line revolver [Member] |  |
Financing |  |
Line of credit facility sublimit | $ 75.0 |

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- Definition The minimum fixed charge coverage ratio the Company is required to maintain in order to be in compliance with the covenant clauses of the debt agreement. + References No definition available. + Details
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- Definition The maximum consolidated leverage ratio the Company is required to remain below in order to maintain compliance with the covenant clauses of the debt agreement. + References No definition available. + Details
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- Definition The maximum aggregate amount at any time the credit facility may be increase to at the Company's option. + References No definition available. + Details
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- Definition The maximum aggregate amount the credit facility may be increased by at the Company's option. + References No definition available. + Details
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- Definition A restriction on the borrowing capacity of the line of credit facility. The restriction places a sublimit on the amount that can be borrowed for specific purposes. + References No definition available. + Details
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- Definition Date the credit facility first became available, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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