Debt And Liquidity (Schedule Of Long-Term Debt) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 950,139
Unamortized debt discount and issuance costs	(24,494)	$ (12,049)
Total	925,645	921,927
Less: Long-term debt, current portion	(134)	(124)
Long-term debt	925,511	921,803
Term Loan Facility
Debt Instrument [Line Items]
Long-term Debt, Gross	0	433,708
Secured Debt
Debt Instrument [Line Items]
Long-term Debt, Gross	500,000	500,000
Secured Debt \| 2023 Senior Secured Notes
Debt Instrument [Line Items]
Long-term Debt, Gross	450,000	0
Other Debt
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 139	$ 268

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.

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