Stock Plans (Tables)

12 Months Ended

Dec. 31, 2011

Stock Plans [Abstract]

Schedule Of Stock-Based Compensation Expense

(In thousands)	2011		2010		2009
Restricted stock	$	4,370	$	4,063	$	3,027
Stock options		2,343		2,748		2,465
Performance stock		1,019		524		368
Total compensation expense before income taxes		7,732		7,335		5,860
Income tax benefit		2,825		2,653		2,084
Total compensation expense, net of income tax benefit		4,907		4,682		3,776

Schedule Of Fair Value Weighted Average Assumptions For Options Granted

	2011			2010			2009
Fair value per option	$	9.94		$	7.21		$	5.80
Risk-free interest rate		2.6	%		3.0	%		2.2	%
Expected dividend yield		3.6	%		3.9	%		3.0	%
Expected volatility		40	%		40	%		42	%
Expected life (years)		6.1			6.1			6.1

Summary Of Option Activity

	Shares			Weighted Average Exercise Price		Exercisable at Year-end
Outstanding January 1, 2009		1,706,439		$	26.65		1,229,907
Granted		438,110			18.17
Exercised		(25,566	)		10.00
Forfeited		(33,908	)		30.16
Outstanding December 31, 2009		2,085,075			25.01		1,323,549
Granted		323,978			25.06
Exercised		(650,565	)		12.00
Expired		(9,485	)		46.73
Outstanding December 31, 2010		1,749,003			29.74		791,759
Granted		166,247			34.09
Exercised		(94,115	)		13.99
Expired		(2,495	)		44.08
Outstanding December 31, 2011		1,818,640			30.94		907,598

Schedule Of Exercise Price Ranges, Characteristics Of Outstanding And Exercisable Stock Options

	Stock Options Outstanding
	Shares		Weighted-Average
Range of Exercise Prices			Exercise Price		Remaining Life
$10.65 – $21.71		486,670	$	17.23	6.4 Years
$24.63 – $37.33		604,371		27.58	7.3
$40.08 – $50.25		727,599		42.89	4.2
$10.65 – $50.25		1,818,640		30.94	5.8

	Stock Options Exercisable
	Shares		Weighted-Average
Range of Exercise Prices			Exercise Price		Remaining Life
$10.65 – $13.57		65,853	$	11.11		1.1 Years
$25.07 – $28.06		114,146		25.27		2.2
$40.08 – $50.25		727,599		42.89		4.2
$10.65 – $50.25		907,598		38.37		3.7

Summary Of Restricted Stock Activity

	Shares			Weighted Average Grant Date Fair Value
Unvested at January 1, 2009		189,062		$	42.56
Granted		197,464			18.25
Vested		(39,319	)		40.57
Forfeited		(9,001	)		27.64
Unvested at December 31, 2009		338,206			28.99
Granted		185,216			25.38
Vested		(46,125	)		39.88
Forfeited		(3,660	)		23.93
Unvested at December 31, 2010		473,637			26.56
Granted		125,603			33.61
Vested		(76,505	)		44.39
Forfeited		(10,481	)		24.87
Unvested at December 31, 2011		512,254			25.66

Summary Of Performance Stock Unit Activity

	Shares			Weighted Average Grant Date Fair Value
Granted		64,780		$	17.83
Forfeited		(2,806	)		17.83
Unvested at December 31, 2009		61,974			17.83
Granted		41,984			24.63
Performance adjustments		(18,329	)		20.75
Unvested at December 31, 2010		85,629			20.53
Granted		48,820			33.09
Performance adjustments		(7,506	)		21.14
Forfeited		(1,500	)		30.53
Unvested at December 31, 2011		125,443			25.27