Note 10 - Leases - Operating Lease Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Right-of-use assets	$ 308.2	$ 350.2
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued expenses	Other accrued expenses
Lease liabilities, current	$ (98.1)	$ (99.9)
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Lease liabilities, long-term	$ (214.0)	$ (252.9)