Stock Plans (Tables)

12 Months Ended

Dec. 31, 2014

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

Schedule Of Stock-Based Compensation Expense

Stock-based compensation expense was as follows:

(In thousands)	2014		2013		2012
Restricted stock	$	4,026	$	4,129	$	4,744
Stock options	2,355		2,825		2,435
Performance stock	2,672		3,383		2,831
Total compensation expense before income taxes	9,053		10,337		10,010
Income tax benefit	3,293		3,810		3,700
Total compensation expense, net of income tax benefit	5,760		6,527		6,310

Schedule Of Fair Value Weighted Average Assumptions For Options Granted

Stock option expense is based on the fair value of stock option grants estimated on the grant dates using the Black-Scholes option pricing model and the following weighted average assumptions for options granted in 2014, 2013 and 2012.

	2014			2013			2012
Fair value per option	$	17.26		$	14.17		$	10.77
Risk-free interest rate	2.1		%	1.2		%	1.2		%
Expected dividend yield	2.4		%	2.8		%	3.1		%
Expected volatility	41		%	39		%	41		%
Expected life (years)	6.6			6.1			6.1

Summary Of Option Activity

A summary of option activity follows:

	Shares		Weighted Average Exercise Price		Exercisable at Year-end
Outstanding January 1, 2012	1,818,640		$	30.94
Granted	196,469		37.33
Exercised	(223,022	)	18.93
Expired	(5,093	)	43.33
Forfeited	(2,334	)	36.69
Outstanding December 31, 2012	1,784,660		33.05		1,100,300
Granted	188,407		49.03
Exercised	(277,687	)	34.72
Outstanding December 31, 2013	1,695,380		34.55		1,178,657
Granted	138,519		51.69
Exercised	(190,743	)	36.31
Expired	(1,071	)	45.68
Forfeited	(23,524	)	38.82
Outstanding December 31, 2014	1,618,561		35.74		1,147,712

Characteristics of Outstanding and Exercisable Stock Options

For various exercise price ranges, characteristics of outstanding and exercisable stock options at December 31, 2014 were as follows:

	Stock Options Outstanding
Range of Exercise Prices	Shares	Weighted-Average
		Exercise Price		Remaining Life
$17.83 – $29.33	541,669	$	21.71	4.6 years
$33.55 – $40.88	507,688	37.14		4.7
$41.26 – $51.69	569,204	47.83		6.1
$17.83 – $51.69	1,618,561	35.74		5.2

	Stock Options Exercisable
Range of Exercise Prices	Shares	Weighted-Average
		Exercise Price		Remaining Life
$17.83 – $29.33	541,669	$	21.71	4.6 years
$33.55 – $40.88	360,801	37.33		3.7
$41.26 – $48.95	245,242	45.17		3.0
$17.83 – $48.95	1,147,712	31.63		4.0

Summary of Restricted Stock Activity

	Shares		Weighted Average Grant Date Fair Value
Unvested at January 1, 2012	512,254		$	25.66
Granted	130,985		37.61
Vested	(209,897	)	20.44
Forfeited	(15,499	)	28.37
Unvested at December 31, 2012	417,843		31.92
Granted	92,448		48.98
Vested	(197,465	)	27.42
Forfeited	(9,407	)	40.23
Unvested at December 31, 2013	303,419		39.79
Granted	83,543		51.91
Vested	(108,245	)	34.94
Forfeited	(9,974	)	44.42
Unvested at December 31, 2014	268,743		45.34

Summary of Performance Stock Unit Activity

A summary of performance stock unit activity follows:

	Shares		Weighted Average Grant Date Fair Value
Unvested at January 1, 2012	125,443		$	25.27
Granted	54,928		41.33
Vested	(47,706	)	18.23
Performance adjustments	5,679		26.39
Forfeited	(672	)	41.45
Unvested at December 31, 2012	137,672		35.85
Granted	53,357		57.58
Vested	(45,809	)	26.08
Performance adjustments	4,169		25.84
Unvested at December 31, 2013	149,389		46.32
Granted	46,242		57.42
Vested	(91,696	)	39.19
Performance adjustments	41,428		39.42
Forfeited	(1,402	)	48.85
Unvested at December 31, 2014	143,961		52.42