Note 8 - Debt - Debt Outstanding (Details) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Finance lease liabilities		$ 0.1	$ 0.1
Total debt		281.6	267.6
Less: current portion of long-term debt(a)	[1]	(4.7)	(4.2)
Long-term debt		276.9	263.4
Secured Debt [Member]
Revolving credit facility borrowings		0.4	0.7
The 2021 Credit Agreement [Member] | Term Loan [Member]
Revolving credit facility borrowings		98.1	98.8
The 2021 Credit Agreement [Member] | Revolving Credit Facility [Member]
Revolving credit facility borrowings		$ 183.0	$ 168.0

[1] As of March 31, 2022, the Company is required to repay $4.4 million in outstanding credit facility borrowings and $0.3 million of current maturities of secured borrowings over the next 12 months.