Note 5 - Stock-Based Compensation (Tables)

3 Months Ended

Mar. 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, 2013		2,812,874		$	31.81		1.9	$	2,119
Forfeited		(438,000	)		28.70
Balance, March 31, 2014		2,374,874		$	32.38		2.0	$	1,148
Exercisable, March 31, 2014		2,374,874		$	32.38		2.0	$	1,148

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

	Units
Balance at December 31, 2013		143,433
Granted		4,812
Balance at March 31, 2014		148,245

Schedule of Tax Benefit (Short-Fall) From Share-Based Payment Arrangements [Table Text Block]

	Three months ended March 31,
(Dollars in thousands)	2014			2013
Short-fall of tax deductions in excess of grant-date fair value	$	(1,227	)	$	(69	)
Benefit of tax deductions on grant-date fair value		1,227			596
Total benefit of tax deductions	$	-		$	527