Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

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

Share-Based Compensation Arrangement Expenses Recognized

(Dollars in thousands)	Years ended December 31,
	2013			2012			2011
Salaries, wages and employee benefits	$	20,783		$	14,464		$	12,764
Deferred income tax benefit	(8,090		)	(5,616		)	(4,935		)
Net share-based compensation expense	$	12,693		$	8,848		$	7,829

Summary Of Nonvested Stock Activity

	Number of Awards		Weighted- Average Grant-Date Fair Value
Outstanding at December 31, 2012	817,319		$	31.25
Awarded – Employees	294,997		33.19
Awarded – Directors	28,900		34.60
Vested	(275,257	)	30.88
Forfeited	(42,889	)	31.83
Outstanding at December 31, 2013	823,070		$	32.15

Schedule of Nonvested Performance-based Units Activity

	Number of Awards		Weighted- Average Grant-Date Fair Value
Outstanding at December 31, 2012	235,984		$	29.67
Awarded	229,093		32.41
Forfeited	(28,062	)	31.02
Outstanding at December 31, 2013	437,015		$	31.02

Summary Of Stock-Option Activity

	Number of Options		Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2012	2,400,260		$	36.05
Exercised	(760,495	)	27.32
Expired or cancelled	(151,024	)	45.17
Outstanding at December 31, 2013	1,488,741		$	39.59	4.17	$	6,917
Exercisable at December 31, 2013	1,302,639		$	40.62	3.74	$	5,550

Schedule Of Share Based Compensation Stock Options Exercise Activity

(Dollars in thousands)	2013		2012		2011
Aggregate intrinsic value of exercised options	$	9,868	$	1,614	$	3,513
Cash received from exercise of options	20,777		3,560		5,532
Tax benefit realized from exercise of options	3,848		629		1,370

Summary Of Weighted-Average Assumptions Used In The Black-Scholes Option-Pricing Model

	2012			2011
Estimated fair value	$	11.79		$	12.64
Risk-free interest rate	0.7		%	2.2		%
Expected term (years)	4.91			4.73
Expected volatility	52		%	48		%
Expected dividend yield	1.37		%	1.24		%

Summary Of Stock Appreciation Rights

	Number of Rights		Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2012	507,358		$	28.92
Exercised	(224,137	)	28.92
Outstanding at December 31, 2013	283,221		$	28.92	6.11	$	3,056
Exercisable at December 31, 2013	283,221		$	28.92	6.11	$	3,056

Schedule Of Share Based Compensation Stock Options Exercise Activity SARS

(Dollars in thousands)	2013		2012		2011
Cash paid to settle exercised SARs	$	2,382	$	51	$	559
Realized tax benefit	929		20		218