Long-Term Indebtedness (Schedule of Long-term Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Unamortized deferred financing fees	$ (5,868)	$ (6,624)
Long-term debt	855,342	847,423
Less current portion	(568)	(589)
Long-term debt, excluding current maturities	854,774	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	83,122	75,909
Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	315,000	315,000
Other
Debt Instrument [Line Items]
Long-term debt, gross	$ 3,088	$ 3,138