Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Share-Based Compensation [Abstract]

Share-Based Compensation Arrangement Expenses Recognized

(Dollars in thousands)	Years Ended December 31,
	2011			2010			2009
Salaries, wages and employee benefits	$	12,764		$	15,020		$	11,090
Deferred income tax benefit		(4,935	)		(5,803	)		(4,262	)
Net share-based compensation expense	$	7,829		$	9,217		$	6,828

Summary Of Stock-Option Activity

	Number of Options			Weighted-Average Exercise Price
Outstanding at December 31, 2010		2,585,385		$	36.41
Granted		629,789			32.37
Exercised		(244,944	)		22.59
Expired or cancelled		(319,367	)		45.85
Outstanding at December 31, 2011		2,650,863		$	35.59
Exercisable at December 31, 2011		1,792,691		$	38.76

Weighted-Average Remaining Contractual Term And Aggregate Intrinsic Value Of Stock Options

	Outstanding		Exercisable
Weighted-average remaining
contractual term	5.80 years		4.48 years
Aggregate intrinsic value (in thousands)	$	6,157	$	3,980

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

	2011			2010		2009
Estimated fair value	$	12.64			N/A	$	5.83
Risk-free interest rate		2.2	%		N/A		2.0	%
Expected term (years)		4.73			N/A		4.30
Expected volatility		48	%		N/A		39	%
Expected dividend yield		1.24	%		N/A		1.97	%

	2010
Estimated fair value	$	10.78
Risk-free interest rate		2.4	%
Expected term (years)		4.30
Expected volatility		48	%
Expected dividend yield		1.38	%

Summary Of Nonvested Stock Activity

	Number of Awards			Weighted-Average Grant-Date Fair Value
Outstanding at December 31, 2010		768,512		$	27.93
Awarded - Employees		278,383			32.41
Awarded - Directors		22,300			38.11
Vested		(156,881	)		37.78
Forfeited		(47,781	)		25.15
Outstanding at December 31, 2011		864,533		$	28.00

Summary Of Stock Appreciation Rights

	Number of Rights			Weighted-Average Exercise Price
Outstanding at December 31, 2010		627,746		$	28.92
Exercised		(63,123	)		28.92
Expired or cancelled		(41,517	)		28.92
Outstanding at December 31, 2011		523,106		$	28.92
Exercisable at December 31, 2011		173,465		$	28.92

Weighted-Average Remaining Contractual Term And Aggregate Intrinsic Value Of Stock Appreciation Rights

	Outstanding		Exercisable
Weighted-average remaining
contractual term	8.12 years		8.12 years
Aggregate intrinsic value (in thousands)	$	126	$	42