Note 8 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Goodwill [Table Text Block]

	Insurance		Energy and Specialized Markets			Financial Services			Total
Goodwill at December 31, 2020	$	1,208.6	$	2,423.6		$	475.9		$	4,108.1
Acquisitions		20.9		—			—			20.9
Purchase accounting reclassifications		1.1		—			—			1.1
Current period adjustment (1)		15.8		(15.8	)		—			—
Foreign currency translation adjustment		3.1		2.6			(0.2	)		5.5
Goodwill at March 31, 2021	$	1,249.5	$	2,410.4		$	475.7		$	4,135.6

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Weighted Average Useful Life (in years)	Cost		Accumulated Amortization			Net
March 31, 2021
Technology-based	7	$	563.8	$	(364.9	)	$	198.9
Marketing-related	15		277.5		(118.3	)		159.2
Contract-based	6		5.0		(5.0	)		—
Customer-related	13		1,013.6		(373.9	)		639.7
Database-based	18		503.9		(146.0	)		357.9
Total intangible assets		$	2,363.8	$	(1,008.1	)	$	1,355.7
December 31, 2020
Technology-based	7	$	559.6	$	(349.5	)	$	210.1
Marketing-related	16		275.2		(113.4	)		161.8
Contract-based	6		5.0		(5.0	)		—
Customer-related	13		1,004.3		(354.2	)		650.1
Database-based	19		501.0		(138.2	)		362.8
Total intangible assets		$	2,345.1	$	(960.3	)	$	1,384.8

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Years Ending	Amount
2021	$	135.4
2022		157.5
2023		144.8
2024		139.1
2025		114.9
2026		110.6
2027 and thereafter		553.4
Total	$	1,355.7