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Derivatives and Hedging Activities (Narrative) (Details) - Interest Rate Swap [Member] - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023 | Jan. 25, 2024 | Nov. 03, 2023
Derivative [Line Items] |  |  |  |
Accumulated derivative losses | $ 62.3 | $ 51.5 |  |
2024 Term Loan [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount |  |  | $ 1,950.0 | $ 1,000.0
Derivative fixed interest rate |  |  | 2.05% | 5.83%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | 2024 Term Loan [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative basis spread on variable interest rate |  |  | 2.00% | 2.00%

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