Note 19 - Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	Number of shares (in thousands)			Weighted-average exercise price		Weighted-average remaining contractual term in years		Aggregate intrinsic value (in thousands)
Options Outstanding as of December 31, 2020		17,095		$	21.60
Exercised		(4,818	)		19.85
Forfeited and expired		(373	)		21.40
Options outstanding as of December 31, 2021		11,904			22.31		6.59	$	177,634
Options expected to vest as of December 31, 2021		11,830			22.32		6.57		176,328
Options exercisable as of December 31, 2021		6,573			21.19		5.42		105,412

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2020			2019
Expected volatility	32.9	%	29.5	-		29.9	%
Weighted-average volatility	32.9	%	29.5	-		29.9	%
Expected dividends	4.48	%	2.36	-		2.95	%
Risk-free rate	0.5	%	1.5	-		2.4	%
Average risk-free rate	0.5	%	1.5	-		2.4	%
Expected term (in years)	7.4			7.4
Pre-vesting executive departure rate	0.6	%		0.6	%
Pre-vesting non-executive departure rate	2.5	%

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	Number of shares (in thousands)			Weighted-average grant-date fair value
Non-vested shares and share units at December 31, 2020		12,943		$	22.87
Granted		1,890			40.77
Vested		(3,774	)		23.40
Forfeited		(465	)		23.74
Non-vested shares and share units at December 31, 2021		10,594		$	25.83

Share-based Payment Arrangement, Performance Shares, Activity [Table Text Block]

	Number of shares (in thousands)			Weighted-average grant-date fair value
Non-vested share units at December 31, 2020		1,765		$	28.06
Granted		1,222			38.82
Vested		(119	)		28.06
Performance adjustments		917			38.82
Forfeited		(101	)		33.25
Non-vested share units at December 31, 2021		3,684		$	34.17