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	9 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares
Balance (in shares) | shares	42,738
Balance (in dollars per share) | $ / shares	$ 19.40
Granted (in shares) | shares	1,669
Granted (in dollars per share) | $ / shares	$ 19.98
Exercised (in shares) | shares	(5,838)
Exercised (in dollars per share) | $ / shares	$ 15.63
Forfeited and Expired (in shares) | shares	(4,317)
Forfeited and Expired (in dollars per share) | $ / shares	$ 26.02
Balance (in shares) | shares	34,252
Balance (in dollars per share) | $ / shares	$ 19.24
Options Outstanding	3 years 350 days
Options Outstanding | $	$ 164,226
Options Expected to Vest (in shares) | shares	34,208
Options Expected to Vest (in dollars per share) | $ / shares	$ 19.23
Options Expected to Vest	3 years 346 days
Options Expected to Vest | $	$ 164,091
Options Exercisable (in shares) | shares	29,475
Options Exercisable (in dollars per share) | $ / shares	$ 18.99
Options Exercisable	3 years 76 days
Options Exercisable | $	$ 150,477