Note 16 - Share-based Compensation - Summary of Information Concerning Stock Options Outstanding Including the Related Transactions under the Stock Option Plans (Details) $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($) $ / shares shares
Balance (in shares) | shares	42,738
Balance (in dollars per share) | $ / shares	$ 19.40
Granted (in shares) | shares	1,624
Granted (in dollars per share) | $ / shares	$ 19.93
Exercised (in shares) | shares	(2,087)
Exercised (in dollars per share) | $ / shares	$ 13.13
Forfeited and Expired (in shares) | shares	(4,256)
Forfeited and Expired (in dollars per share) | $ / shares	$ 26.08
Balance (in shares) | shares	38,019
Balance (in dollars per share) | $ / shares	$ 19.02
Options Outstanding	4 years 21 days
Options Outstanding | $	$ 110,178
Options Expected to Vest (in shares) | shares	37,968
Options Expected to Vest (in dollars per share) | $ / shares	$ 19.02
Options Expected to Vest	4 years 18 days
Options Expected to Vest | $	$ 110,158
Options Exercisable (in shares) | shares	33,177
Options Exercisable (in dollars per share) | $ / shares	$ 18.78
Options Exercisable	3 years 131 days
Options Exercisable | $	$ 108,177