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FINANCING (Unsecured Revolving Credit Facility) (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Letter of credit [Member] |  |
Financing |  |
Letters of credit | $ 60.9 |
Line of credit facility [Member] |  |
Financing |  |
Unsecured revolving credit facility | $ 0.0 | $ 0.0
Line of credit facility [Member] | 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 | $ 78.7 | $ 84.0
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 |
Line of credit facility [Member] | Unsecured debt [Member] | Spread over Alternate Base rate [Member] |  |
Financing |  |
Line of credit current interest rate | 0.00% |
Line of credit facility [Member] | Unsecured debt [Member] | Spread over Eurodollar Revolving rate [Member] |  |
Financing |  |
Line of credit current interest rate | 0.90% |
Line of credit facility [Member] | Unsecured debt [Member] | Letter of credit [Member] |  |
Financing |  |
Line of credit facility sublimit | $ 200.0 |
Line of credit facility [Member] | Unsecured debt [Member] | Swing line revolver [Member] |  |
Financing |  |
Line of credit facility sublimit | $ 75.0 |

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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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