Authorized Shares Of Common And Preferred Stock And Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2014

Authorized Shares Of Common And Preferred Stock And Stock-Based Compensation Plans [Abstract]

Schedule Of Stock Option Plans

	Number of shares under option		Weighted average exercise price
Outstanding at December 31, 2011	1,317,216	$	18.07
Exercised	(237,146)	$	16.59
Canceled	(26,945)	$	17.07
Granted	-	$	-
Outstanding at December 31, 2012	1,053,125	$	18.44
Exercised	(713,737)	$	18.36
Canceled	(51,980)	$	18.47
Granted	-	$	-
Outstanding at December 31, 2013	287,408	$	18.62
Exercised	(215,403)	$	18.77
Canceled	(42,530)	$	19.99
Granted	-	$	-
Outstanding at December 31, 2014	29,475	$	15.51
Options exercisable at December 31:
2012	1,034,559	$	18.44
2013	275,643	$	18.56
2014	29,475	$	15.51

Schedule Of Options Outstanding And Exercisable By Price Range

		Outstanding and Exercisable by Price Range as of December 31, 2014
		Options Outstanding				Options Exercisable
	Range of Exercise Prices	Number outstanding as of 12/31/2014	Weighted average remaining contractual life		Weighted average exercise price	Number exerciseable as of 12/31/2014		Weighted average exercise price
$	14.63 - 19.45	29,475	0.29	$	15.51	29,475	$	15.51

Schedule Of Restricted Stock Plans

	RSUs
	Number of RSUs		Weighted average grant price
Outstanding at December 31, 2011	3,421,522	$	22.75
Granted	1,311,105	$	26.81
Earned	(841,918)	$	20.41
Canceled	(85,435)	$	24.66
Outstanding at December 31, 2012	3,805,274	$	24.62
Granted	764,315	$	29.50
Earned	(906,214)	$	22.25
Canceled	(156,813)	$	25.99
Outstanding at December 31, 2013	3,506,562	$	26.23
Granted	394,143	$	28.46
Earned	(822,269)	$	24.75
Canceled	(233,017)	$	27.04
Outstanding at December 31, 2014	2,845,419	$	26.90

Schedule Of Employee Stock Purchase Plan

	2014	2013	2012
Dividend expense yield	0.5%	0.5%	0.5%
Expected life	3 months	3 months	3 months
Expected volatility	27%	25%	40%
Risk-free interest rate	0.04%	0.1%	0.1%

Schedule Of Weighted Average Grant Date Fair Value Of Purchase Rights Granted Under Employee Stock Purchase Plan

	Number of Shares		Weighted average fair value
2012	1,122,483	$	5.93
2013	1,191,599	$	5.64
2014	1,121,709	$	6.05