Note 19 - Equity Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Shares			Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value (in thousands)
Balance, December 31, 2012		3,996,630			29.45		2.2	$	-
Exercised		(594,946	)	$	24.80
Forfeited		(588,810	)		22.86
Balance, December 31, 2013		2,812,874			31.81		1.9	$	2,119
Exercised		(5,500	)	$	23.37
Forfeited		(474,470	)		29.28
Balance, December 31, 2014		2,332,904			32.34		1.2	$	1,388
Exercised		(214,580	)	$	23.37
Forfeited		(1,087,154	)		35.13
Balance, December 31, 2015		1,031,170			31.27		0.9	$	3,268
Exercisable, December 31, 2015		1,031,170		$	31.27

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

		Outstanding
				Weighted-Average
				Remaining Contractual		Exercisable
Exercise Price		Shares		Life (in Years)		Shares
$	36.90		203,440		0.1		203,440
	38.26		12,000		0.3		12,000
	36.24		405,230		0.1		405,230
	23.37		410,500		2.1		410,500
			1,031,170		0.9		1,031,170

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

	Units
Balance at December 31, 2012		256,616
Granted		261,062
Vested		(138,220	)
Balance at December 31, 2013		379,458
Granted		135,699
Vested		(122,832	)
Cancelled or forfeited		(5,860	)
Balance at December 31, 2014		386,465
Granted		191,518
Vested		(26,924	)
Cancelled or forfeited		(8,684	)
Balance at December 31, 2015		542,375

Schedule of Tax Benefit (Short-fall) from Share-based Payment Arrangements [Table Text Block]

	2015			2014			2013
	(In thousands)
Short-fall of tax deductions in excess of grant-date fair value	$	(5,348	)	$	(1,285	)	$	(2,509	)
Benefit of tax deductions on grant-date fair value		6,485			1,292			4,172
Total benefit of tax deductions	$	1,137		$	7		$	1,663