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Note 7 - Property, Equipment and Software - Property, Equipment and Software (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property, equipment and software, gross	$ 201.9	$ 201.1
Accumulated depreciation	(162.5)	(156.9)
Property, equipment and software, net	39.4	44.2
Furniture, Fixtures, and Computer Equipment [Member]
Property, equipment and software, gross	$ 53.0	50.1
Furniture, Fixtures, and Computer Equipment [Member] | Minimum [Member]
Useful life (Year)	3 years
Furniture, Fixtures, and Computer Equipment [Member] | Maximum [Member]
Useful life (Year)	5 years
Leasehold Improvements [Member]
Property, equipment and software, gross	$ 53.7	47.7
Computer Equipment [Member]
Useful life (Year)	3 years
Property, equipment and software, gross	$ 95.2	$ 103.3

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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