Note 9 - Debt - Debt Outstanding (Details) - USD ($) $ in Millions		Dec. 31, 2020	Dec. 31, 2019
Finance lease liabilities		$ 0.1	$ 0.2
Unamortized debt issuance costs		(3.1)	(3.8)
Total debt		308.5	338.8
Less: current portion of long-term debt(1)	[1]	(10.9)	(31.3)
Long-term portion		297.6	307.5
Secured Debt [Member]
Long-term debt		1.5	2.4
Senior Unsecured Notes [Member]
Long-term debt		300.0	300.0
The 2017 Credit Agreement [Member]
Long-term debt		$ 10.0	$ 40.0

[1] Current portion of long-term debt includes $10.0 million of anticipated repayment on Secured Credit Facility Borrowings under our 2017 Credit Agreement, $0.8 million of current maturities of other secured borrowings and $0.1 million of current maturities of finance lease obligations.