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Note 9 - Fixed Assets (Details Textual) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Depreciation, Depletion and Amortization, Nonproduction, Total | $ 206.9 | $ 192.2 | $ 185.7
Capitalized Computer Software, Amortization | 137.5 | 120.6 | 100.2
Unamortized Costs Capitalized | 59.4 | 53.5 |
Asset Impairment Charges, Total | 134.0 | 0.0 | 0.0
Financial Services Segment [Member] |  |  |
Asset Impairment Charges, Total | 134.0 |  |
Software and Software Development Costs [Member] |  |  |
Depreciation, Depletion and Amortization, Nonproduction, Total | 11.7 | 11.3 | $ 12.8
Unamortized Costs Capitalized | 433.5 | $ 405.8 |
Software Development [Member] | Financial Services Segment [Member] |  |  |
Asset Impairment Charges, Total | $ 45.8 |  |

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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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