Note 14 - Stock-Based Compensation (Details) - Summary of the Status of the 2012 Incentive Plan (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Summary of the Status of the 2012 Incentive Plan [Abstract]
Outstanding at beginning of year (in Shares)	3,563		2,934		2,335
Outstanding at beginning of year	$ 30.09		$ 32.40		$ 34.35
Outstanding at end of year (in Shares)	4,710		3,563		2,934
Outstanding at end of year	$ 28.23		$ 30.09		$ 32.40
Options and SARs exercisable at end of year (in Shares)	2,123		1,592		1,086
Options and SARs exercisable at end of year	$ 33.82		$ 36.61		$ 37.46
Weighted-average fair value of options and SARs granted during the year	$ 6.66		$ 7.25		$ 9.69
Granted, at fair value:
Stock Options (in Shares)	45		75		30
Stock Options	$ 26.70		$ 19.01		$ 19.10
SARs* (in Shares)	1,270	[1]	602	[1]	622	[1]
SARs*	$ 23.08	[1]	$ 20.13	[1]	$ 25.65	[1]
Exercised (in Shares)	(39)		0		0
Exercised	$ 16.89
Forfeited (in Shares)	(114)		(48)		(53)
Forfeited	$ 30.04		$ 28.92		$ 31.69
Expired (in Shares)	(15)
Expired	$ 37.90

[1] Upon exercise, SARs entitle the recipient to receive shares of common stock equal to the increase in value of the award between the grant date and the exercise date.