Note 13 - Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

				Weighted
	Number			average
	of shares			grant-date
	(in thousands)			fair value
Non-vested shares and share units at December 31, 2022		11,299		$	29.19
Granted		5,772			35.14
Vested		(218	)		30.33
Forfeited		(66	)		29.92
Non-vested shares and share units at March 31, 2023		16,787		$	31.22

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

				Weighted
	Number			average
	of shares			grant-date
	(in thousands)			fair value
Non-vested share units at December 31, 2022		4,696		$	35.41
Granted		1,110			35.14
Vested		(719	)		33.88
Performance adjustments		107			40.95
Forfeited		(24	)		35.23
Non-vested share units at March 31, 2023		5,170		$	35.68

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

						Weighted-
						average
				Weighted-		remaining		Aggregate
	Number			average		contractual		intrinsic
	of shares			exercise		term		value
	(in thousands)			price		(in years)		(in thousands)
Options outstanding as of December 31, 2022		9,665		$	22.92
Exercised		(833	)		19.68
Forfeited and expired		(32	)		19.65
Options outstanding as of March 31, 2023		8,800			23.24		5.72	$	105,985
Options expected to vest as of March 31, 2023		8,794			23.24		5.72		105,910
Options exercisable as of March 31, 2023		7,079			24.11		5.37		79,091