Note 19 - Equity Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2014

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

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

				Weighted-Average		Weighted-Average Remaining Contractual		Aggregate Intrinsic Value
	Shares			Exercise Price		Life (in years)		(in thousands)
Balance, December 31, 2011		4,356,985			28.86		3.0	$	37
Exercised		(50,024	)	$	15.27
Forfeited		(310,331	)		23.75
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
Exercisable, December 31, 2014		2,332,904		$	32.34		1.2	$	1,388

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
$	37.00		563,610		0.1		563,610
	32.47		245,060		0.2		245,060
	33.54		264,694		0.4		264,694
	36.90		211,730		1.1		211,730
	38.26		12,000		1.3		12,000
	36.24		410,730		1.1		410,730
	23.37		625,080		3.2		625,080
			2,332,904		1.2		2,332,904

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

	Units
Balance at December 31, 2011		171,410
Granted		125,133
Vested		(11,814	)
Cancelled or forfeited		(28,113	)
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

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

	2014			2013			2012
	(In thousands)
Short-fall of tax deductions in excess of grant-date fair value	$	(1,285	)	$	(2,509	)	$	(620	)
Benefit of tax deductions on grant-date fair value		1,292			4,172			747
Total benefit of tax deductions	$	7		$	1,663		$	127