Long-Term Indebtedness (Schedule of Long-term Debt) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Unamortized deferred financing fees	$ (4,354)	$ (6,624)
Long-term debt	822,544	847,423
Less current portion	(222)	(589)
Long-term debt, excluding current maturities	822,322	846,834
Convertible Notes
Debt Instrument [Line Items]
Long-term debt, gross	460,000	460,000
Line of Credit
Debt Instrument [Line Items]
Long-term debt, gross	74,969	75,909
Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	290,000	315,000
Other
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,929	$ 3,138