Note 5 - Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

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, 2011		4,356,985		$	28.86		3.0	$	37
Exercised		(39,784	)		16.28
Forfeited		(249,506	)		22.27
Balance, March 31, 2012		4,067,695		$	29.40		3.0	$	65
Forfeited		(281	)		23.37
Balance, June 30, 2012		4,067,414		$	29.40		2.7	$	53
Forfeited		(33,604	)		28.92
Balance, September 30, 2012		4,033,810		$	29.41		2.5	$	61
Exercisable, September 30, 2012		3,926,694		$	29.57		2.4	$	61

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

	Units
Balance at December 31, 2011		171,410
Granted		49,257
Forfeited		(5,158	)
Vested		(11,814	)
Balance at September 30, 2012		203,695

	For the three months ended September 30,						For the nine months ended September 30,
(Dollars in thousands)	2012			2011			2012			2011
Short-fall of tax deductions in excess of grant-date fair value	$	(114	)	$	(5	)	$	(679	)	$	(276	)
Benefit of tax deductions on grant-date fair value		114			5			777			348
Total benefit of tax deductions	$	-		$	-		$	98		$	72