Note 14 - Notes Payable (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Debt [Table Text Block]

Date Paid	Maturity Date	Amount Repaid		Interest Rate
Jul-2020 & Aug-2020 (1)	May-2021	$	484.9		3.20	%

Schedule of Debt Issuance [Table Text Block]

Date Issued	Maturity Date	Amount Issued		Interest Rate
Sept-2021	Dec-2031	$	500.0		2.25	%
Aug-2020	Mar-2028	$	400.0		1.90	%
Jul-2020 (1)	Oct-2030	$	500.0		2.70	%

Notes Payable [Member]

Notes Tables

Schedule of Debt [Table Text Block]

	Carrying Amount at December 31,						Interest Rate at December 31,						Maturity Date at December 31,
	2021			2020			2021			2020			2021
Senior unsecured notes	$	7,002.1		$	5,100.0			1.90% - 6.88	%		1.90% - 4.45	%	Oct-2022– Oct 2049
Credit facility (1)		-			-			0.87	%		0.91	%	Mar-2024
Fair value debt adjustments, net		81.0			-			n/a			n/a			n/a
Deferred financing costs, net (2)		(56.0	)		(55.8	)		n/a			n/a			n/a
	$	7,027.1		$	5,044.2			3.35%*			3.33%*

Unsecured Debt [Member]

Notes Tables

Schedule of Maturities of Long-term Debt [Table Text Block]

	2022		2023		2024		2025		2026		Thereafter		Total
Principal payments	$	799.4	$	649.7	$	646.2	$	740.5	$	773.0	$	3,393.3	$	7,002.1