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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2013
Share-based Compensation [Abstract]  
Schedule Of Stock Option Plans Activity
Additional information relating to the Company’s stock option plans follows:
 
2013
 
2012
 
2011
Options outstanding at beginning of year
995

 
1,305

 
1,371

Options granted
—

 
83

 
76

Options exercised
(561
)
 
(277
)
 
(82
)
Options forfeited and expired
(9
)
 
(116
)
 
(60
)
Options outstanding at end of year
425

 
995

 
1,305

Options exercisable at end of year
343
 
814

 
1,106

Option prices per share:
 
 
 
 
 
Options granted during the year
$
—

 
66.14

 
57.34

Options exercised during the year
$ 28.37-93.65

 
28.37-88.33

 
28.37-63.14

Options forfeited and expired during the year
$ 48.50-88.33

 
46.80-93.65

 
28.37-93.65

Options outstanding at end of year
$ 28.37-93.65

 
28.37-93.65

 
28.37-93.65

Options exercisable at end of year
$ 28.37-93.65

 
28.37-93.65

 
28.37-93.65
Assumptions Used In Fair Value Valuation Of Option Awards
The risk-free rate is based on U.S. Treasury yields in effect at the time of the grant for the expected term of the award.
 
2013
 
2012
 
2011
Dividend yield
—
%
 
—
%
 
—
%
Risk-free interest rate
—
%
 
1.0
%
 
2.0
%
Volatility
—
%
 
47.1
%
 
48.1
%
Expected life (years)
0

 
5

 
5
Summary Of The Stock Options Under The 2007 Plan
A summary of the Company’s options under the 2002, 2007 and 2012 Plans as of December 31, 2013, and changes during the year then ended is presented as follows:
 
Shares
 
Weighted
average
exercise
price
 
Weighted
average
remaining
contractual
term (years)
 
Aggregate
intrinsic
value
Options outstanding, December 31, 2012
995

 
$
74.87

 
 
 
 
Granted
—

 
—

 
 
 
 
Exercised
(561
)
 
77.70

 
 
 
 
Forfeited and expired
(9
)
 
58.22

 
 
 
 
Options outstanding, December 31, 2013
425

 
$
71.50

 
4.4
 
$
32,899

Vested and expected to vest as of December 31, 2013
423

 
$
71.54

 
4.3
 
$
32,729

Exercisable as of December 31, 2013
343

 
$
73.60

 
3.5
 
$
25,837
Summary Of Stock Options By Exercise Price Range
The following table summarizes information about the Company’s stock options outstanding as of December 31, 2013:
 
Outstanding
 
Exercisable
Exercise price range
Number of
shares
 
Average
life
 
Average
price
 
Number of
shares
 
Average
price
Under $46.80
38

 
5.6
 
$
37.53

 
34

 
$
37.52

$57.34-$57.34
73

 
7.2
 
57.34

 
53

 
57.34

$66.14-$66.14
82

 
8.1
 
66.14

 
23

 
66.14

$69.95-$81.90
107

 
2.0
 
77.94

 
107

 
77.94

$83.12-$88.33
99

 
1.6
 
86.38

 
99

 
86.38

$89.46-$93.65
26

 
3.1
 
93.57

 
27

 
93.57

Total
425

 
4.4
 
$
71.50

 
343

 
$
73.60
Summary Of RSUs Under The 2007 Plan
A summary of the Company’s RSUs under the 2007 and 2012 Plans as of December 31, 2013, and changes during the year then ended is presented as follows:
 
Shares
 
Weighted
average price
 
Weighted
average
remaining
contractual
term (years)
 
Aggregate
intrinsic value
Restricted Stock Units outstanding, December 31, 2012
605

 
$
57.87

 

 

Granted
301

 
110.14

 

 

Released
(152
)
 
104.27

 

 

Forfeited
(21
)
 
77.73

 

 

Restricted Stock Units outstanding, December 31, 2013
733

 
$
78.62

 
2.2
 
$
109,168

Expected to vest as of December 31, 2013
683

 


 
2.1
 
$
101,764
Additional Information For RSUs Under The 2007 Plan
Additional information relating to the Company’s RSUs under the 2007 and 2012 Plans is as follows:
 
2013
 
2012
 
2011
Restricted Stock Units outstanding, January 1
605

 
495

 
404

Granted
301

 
260

 
196

Released
(152
)
 
(140
)
 
(91
)
Forfeited
(21
)
 
(10
)
 
(14
)
Restricted Stock Units outstanding, December 31
733

 
605

 
495

Expected to vest as of December 31
683

 
551

 
438