Note 13 - Long-term Debt and Credit Arrangements (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

(in thousands)	March 31, 2021		December 31, 2020		March 31, 2020
2.75% Convertible Notes	$	202,018	$	200,303	$	195,295
Credit Agreement - term loan		129,375		131,250		136,875
Credit Agreement - revolving credit facility		—		—		25,000
Debt issuance costs and other		8,954		7,247		6,994
Total debt		340,347		338,800		364,164
Less current maturities		8,700		8,278		8,253
Total long-term debt	$	331,647	$	330,522	$	355,911