Note 7 - Goodwill and Intangible Assets - Summary of Changes in Goodwill (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Goodwill			$ 1,726.6
Amortization of Intangible Assets	$ 16.3	$ 18.2	32.1	$ 36.7
Goodwill	1,809.4		1,809.4
Insurance [Member]
Goodwill			1,726.6
Amortization of Intangible Assets			0.1
Acquisitions			11.9
Foreign currency translation adjustment			70.8
Goodwill	$ 1,809.4		$ 1,809.4

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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+ Details

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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