Note 12 - Goodwill and Other Intangible Assets - Identifiable Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Finite-lived intangible assets, gross	$ 199.5	$ 200.4
Less accumulated amortization	(123.2)	(103.4)
Total identifiable intangible assets, net	76.3	97.0
Customer Relationships [Member]
Finite-lived intangible assets, gross	$ 189.8	189.8
Weighted average amortization period (Year)	10 years 8 months 12 days
Noncompete Agreements [Member]
Finite-lived intangible assets, gross	$ 9.7	10.6
Weighted average amortization period (Year)	6 years
Trade Names [Member]
Finite-lived intangible assets, gross	$ 0.0	$ 0.0