Note 10 - Financing Arrangements - Schedule of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Long-term debt, gross	$ 420,125	$ 448,250
Unamortized discount and debt issuance fees	(9,945)	(11,423)
Total debt, net	410,180	436,827
Less: current portion of long-term debt	(19,688)	(17,500)
Long-term debt, net of current portion	390,492	419,327
Senior Term Loan Facility [Member]
Long-term debt, gross	328,125	341,250
Credit Facility [Member]
Long-term debt, gross	2,000	17,000
Subordinated Credit Facility [Member]
Long-term debt, gross	$ 90,000	$ 90,000