Note 15 - Long-term Debt and Credit Arrangements (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Long-Term Debt Instruments [Table Text Block]

(in thousands)	June 30, 2022		December 31, 2021		June 30, 2021
2.75% Convertible Notes	$	230,000	$	207,354	$	203,771
Third Amended and Restated Credit Agreement - term loan		—		123,750		127,500
Fourth Amended and Restated Credit Agreement - revolver		50,000		—		—
Debt issuance costs and other		8,230		8,814		8,660
Total debt	$	288,230	$	339,918	$	339,931
Less current maturities		1,429		8,727		8,709
Total long-term debt	$	286,801	$	331,191	$	331,222