Note 16 - Share-based Compensation (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Share-based Compensation, Stock Options, 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, 2015	42,738	$19.40
Granted	1,669	19.98
Exercised	(5,838)	15.63
Forfeited and Expired	(4,317)	26.02
Options Outstanding as of September 30, 2016	34,252	19.24	3.96	$164,226
Options Expected to Vest as of September 30, 2016	34,208	19.23	3.95	164,091
Options Exercisable as of September 30, 2016	29,475	18.99	3.21	150,477

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

	Three months ended September 30,		Nine months ended September 30,
	2016	2015	2016			2015
Expected volatility	38.6%	44.2%	38.6	-	43.1%	44.2	-	44.9%
Weighted-average volatility	38.6%	44.2%	38.6	-	43.1%	44.2	-	44.9%
Expected dividends	2.34%	2.67%	2.34	-	2.94%	1.92	-	2.67%
Risk-free rate	1.4%	2.0%	1.4	-	1.6%	1.9	-	2.0%
Average risk-free rate	1.4%	2.0%	1.4	-	1.6%	1.9	-	2.0%
Expected term (in years)	7.4	7.2	7.4	-	7.4	7.2	-	7.2
Pre-vesting departure rate	0.6%	0.6%	0.6	-	0.6%	0.6	-	0.6%

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	Shares (000’s)	Weighted Average Grant-Date Fair Value
Non-vested shares and share units at December 31, 2015	5,242	$	17.91
Granted	1,415		20.57
Vested	(1,802)		14.48
Forfeited	(75)		20.78
Non-vested shares and share units at September 30, 2016	4,780	$	19.95