Note 9 - Debt - Aggregate Maturities of Outstanding Debt (Details) $ in Millions	Dec. 31, 2021 USD ($)
2022, debt	$ 4.2
2023, debt	5.3
2024, debt	6.3
2025, debt	8.8
2026, debt	243.0
Thereafter, debt	0.0
Total aggregate maturities, debt	$ 267.6

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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