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Stock-based Compensation (Tables)
9 Months Ended
Apr. 28, 2013
Stock-based Compensation  
Schedule Of Stock Option Activity
The following table summarizes stock option activity as of April 28, 2013:
 
Options
 
Weighted-
Average
Exercise
Price
 
Weighted-
Average
Remaining
Contractual
Life
 
Aggregate
Intrinsic
Value
 
(Options in
thousands)
 
 
 
(In years)
 
 
Outstanding at July 29, 2012
4,254

 
$
26.73

 
 
 
 
Granted

 
$

 
 
 
 
Exercised
(2,948
)
 
$
26.54

 
 
 
 
Terminated
(7
)
 
$
26.36

 
 
 
 
Outstanding at April 28, 2013
1,299

 
$
27.16

 
1.4
 
$
25

Exercisable at April 28, 2013
1,299

 
$
27.16

 
1.4
 
$
25

Time-Lapse Restricted Stock Units, EPS Performance Restricted Stock Units And Strategic Performance Restricted Stock Units
The following table summarizes time-lapse restricted stock units, EPS performance restricted stock units and strategic performance restricted stock units as of April 28, 2013:
 
Units
 
Weighted-
Average
Grant-Date
Fair Value
 
(Restricted stock
units in thousands)
 
 
Nonvested at July 29, 2012
3,951

 
$
33.19

Granted
1,927

 
$
35.13

Vested
(1,128
)
 
$
33.44

Forfeited
(171
)
 
$
33.52

Nonvested at April 28, 2013
4,579

 
$
33.95

TSR Performance Restricted Stock/Units [Member]
 
Stock-based Compensation  
TSR Performance Restricted Stock Units
The following table summarizes TSR performance restricted stock units as of April 28, 2013:
 
Units
 
Weighted-
Average
Grant-Date
Fair Value
 
(Restricted stock
units in thousands)
 
 
Nonvested at July 29, 2012
2,143

 
$
37.94

Granted
582

 
$
39.76

Vested

 
$

Forfeited
(1,247
)
 
$
34.14

Nonvested at April 28, 2013
1,478

 
$
41.86

TSR Performance Restricted Stock Units, Assumptions
The company estimated the fair value of TSR performance restricted stock units at the grant date using a Monte Carlo simulation. Assumptions used in the Monte Carlo simulation were as follows:
 
 
2013
Risk-free interest rate
 
0.30%
Expected dividend yield
 
3.26%
Expected volatility
 
15.07%
Expected term
 
3 years