Note 5 - Financing Arrangements - Schedule of Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Long-term debt, gross	$ 413,750	$ 448,250
Unamortized discount and debt issuance fees	(9,296)	(11,423)
Total debt, net	404,454	436,827
Less: current portion of long-term debt	(21,875)	(17,500)
Long-term debt, net of current portion	382,579	419,327
Senior Term Loan Facility [Member]
Long-term debt, gross	323,750	341,250
Credit Facility [Member]
Long-term debt, gross	0	17,000
Subordinated Credit Facility [Member]
Long-term debt, gross	$ 90,000	$ 90,000

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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