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Employee Stock Benefit Plans (Tables)
12 Months Ended
Jan. 03, 2014
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]  
Schedule Of Shares Authorized Under Stock Option Plan By Exercise Price Range
 
Options Outstanding
 
Options Exercisable
Range
Number
Outstanding
 
Weighted-
Average
Exercise  Price
per Share
 
Weighted-
Average
Remaining
Contractual Life
(in years)
 
Number
Exercisable
 
Weighted-
Average
Exercise  Price
per Share
(in thousands, except for per share data)
 
 
 
 
 
 
 
 
 
5.06 - 8.00
392

 
$
6.96

 
0.85
 
392

 
$
6.96

8.01 - 12.00
2,963

 
10.10

 
2.39
 
2,635

 
10.03

12.01 - 16.00
1,702

 
14.96

 
2.76
 
1,360

 
14.86

16.01 - 20.00
1,555

 
18.09

 
3.77
 
934

 
18.06

20.01 - 24.00
5,249

 
21.64

 
4.69
 
2,041

 
21.02

24.01 - 28.00
1,310

 
26.96

 
5.22
 
247

 
26.94

28.01 - 31.05
1,772

 
28.20

 
6.56
 
102

 
28.08

Total
14,943

 
$
19.08

 
4.09
 
7,711

 
$
15.39

Schedule Of Options Outstanding And Expected To Vest
 
Number
Of  Shares
(in thousands)
 
Weighted-
Average
Exercise  Price
per Share
 
Weighted-
Average
Remaining
Contractual Term
(in years)
 
Aggregate
Intrinsic
Value
(in thousands)
Options outstanding
14,943

 
$
19.08

 
4.09
 
$
231,420

Options expected to vest
6,744

 
$
22.94

 
5.18
 
$
78,436

Options exercisable
7,711

 
$
15.39

 
3.04
 
$
147,920

Schedule Of Stock Options Activity
 
Options
 
Weighted average
exercise price
(in thousands, except for per share data)
 
 
 
Outstanding at the beginning of year
16,966

 
$
16.93

Granted
1,814

 
28.19

Exercised
(3,192
)
 
12.62

Cancelled
(645
)
 
19.98

Outstanding at the end of year
14,943

 
$
19.08

Available for grant
17,618

 
 
Schedule Of Restricted Stock Unit Activity
 
Restricted
Stock  Units
 
Weighted Average
Grant-Date Fair Value
(in thousands, except for per share data)
 
 
 
Unvested at the beginning of year
1,544

 
$
20.66

Granted
1,125

 
28.17

Vested
(601
)
 
16.63

Cancelled
(102
)
 
22.95

Unvested at the end of year
1,966

 
$
26.07

Schedule Of Stock-Based Compensation Expense, Net Of Tax, Related To Employee Stock-Based Compensation (For All Plans)
Fiscal Years
2013
 
2012
 
2011
(in thousands)
 
 
 
 
 
Cost of sales
$
2,573

 
$
2,005

 
$
1,955

Research and development
5,039

 
5,319

 
4,624

Sales and marketing
7,329

 
7,017

 
6,672

General and administrative
21,501

 
18,319

 
15,200

Total operating expenses
33,869

 
30,655

 
26,496

Total stock-based compensation expense
$
36,442

 
$
32,660

 
$
28,451

Schedule Of Weighted-Average Assumptions Used In Employee Stock Purchase Plan
Fiscal Years
2013
 
2012
 
2011
Expected dividend yield

 

 

Expected stock price volatility
35
%
 
41
%
 
45
%
Risk free interest rate
0.69
%
 
0.62
%
 
1.13
%
Expected life of options
3.9 years

 
4.1 years

 
4.2 years

Schedule Of Weighted-Average Assumptions Used In Stock Options Granted
Fiscal Years
2013
 
2012
 
2011
Expected dividend yield

 

 

Expected stock price volatility
31.5
%
 
37.9
%
 
34.0
%
Risk free interest rate
0.12
%
 
0.10
%
 
0.16
%
Expected life of purchase
6 months

 
6 months

 
6 months