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Stock-Based Awards (Tables)
12 Months Ended
Jul. 27, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Stock-based Compensation Expense and Related Tax Benefit Recognized
Stock-based compensation expense and the related tax benefit recognized related to stock options and restricted share units during fiscal 2013, 2012, and 2012 were as follows:
 
Fiscal Year Ended
 
2013
 
2012
 
2011
 
(Dollars in thousands)
Stock-based compensation
$
9,902

 
$
6,952

 
$
4,409

Tax benefit recognized in the statement of operations
$
3,782

 
$
2,412

 
$
1,284

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The following table summarizes the significant assumptions and the valuation of stock options and restricted share units granted during fiscal 2013, 2012, and 2011:

 
Fiscal Year Ended
 
2013
 
2012
 
2011
Weighted average fair value of RSUs granted
$
18.52

 
$
19.49

 
$
13.60

Weighted average fair value of Performance RSUs granted
$
18.08

 
$
19.47

 
$
10.60

Weighted average fair value of stock options granted
$
11.66

 
$
12.51

 
$
8.15

Stock option assumptions:
 
 
 
 
 
Risk-free interest rate
1.6
%
 
1.8
%
 
2.3
%
Expected life (years)
9.3

 
9.4

 
6.8

Expected volatility
55.4
%
 
56.1
%
 
58.6
%
Expected dividends

 

 

Schedule of Share-based Compensation, Stock Options Award Activity
The following table summarizes stock option award activity during fiscal 2013:
 
 
Stock Options
 
Shares
 
Weighted Average Exercise Price
 
Weighted Average Remaining Contractual Life
 
Aggregate Intrinsic Value
 
 
 
 
 
(In years)
 
(In thousands)
Outstanding as of July 28, 2012
3,298,747

 
$
17.08

 
 
 
 
Granted
144,155

 
$
18.47

 
 
 
 
Options exercised
(544,162
)
 
$
9.65

 
 
 
 
Forfeited or canceled
(129,608
)
 
$
24.62

 
 
 
 
Outstanding as of July 27, 2013
2,769,132

 
$
18.27

 
4.9
 
$
26,735

 
 
 
 
 
 
 
 
Exercisable options as of July 27, 2013
1,878,315

 
$
20.33

 
3.7
 
$
15,549

Schedule of Share-based Compensation, RSU and Performance RSU Activity
The following table summarizes RSU and Performance RSU activity during fiscal 2013:

 
Restricted Stock
 
RSUs
 
Performance RSUs
 
Share Units
 
Weighted Average Grant Price
 
Aggregate Intrinsic Value
 
Share Units
 
Weighted Average Grant Price
 
Aggregate Intrinsic Value
 

 
 
 
(In thousands)
 
 
 
 
 
(In thousands)
Outstanding as of July 28, 2012
222,760

 
$
14.49

 
 
 
774,264

 
$
18.76

 
 
Granted
405,713

 
$
18.52

 
 
 
831,390

 
$
18.08

 
 
Share units vested
(91,413
)
 
$
12.79

 
 
 
(137,432
)
 
$
18.23

 
 
Forfeited or canceled
(73,742
)
 
$
17.69

 
 
 
(153,084
)
 
$
18.36

 
 
Outstanding as of July 27, 2013
463,318

 
$
17.78

 
$
12,269

 
1,315,138

 
$
18.44

 
$
34,825