Cash Flows (Summary of Non-Cash Activities and Other Supplemental Data) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Non-Cash Investing and Financing Activities:
Operating lease additions	$ 2,971	$ 0
Capital expenditures incurred but not yet paid	660	5,606
Supplemental Data:
Cash interest paid	50,801	50,791
Income tax (refunds) payments, net	$ (27,738)	$ 6,507

Future cash outflow to pay for purchases of fixed assets that have occurred.

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