|
Equity Incentive Plan And Stock-Based Compensation (Schedule Of Activities And Related Information For Options) (Detail) (USD $) In Thousands, except Share data, unless otherwise specified
|
6 Months Ended |
|
Jul. 01, 2012
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Outstanding stock options as of December 25, 2011 |
4,295,794 |
| Granted |
2,629,900 |
| Canceled/Forfeited |
(157,177) |
| Exercised |
(107,506) |
| Outstanding stock options as of July 1, 2012 |
6,661,011 |
| Total vested and exercisable as of July 1, 2012 |
2,119,287 |
|
Stock Option [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
| Beginning balance |
14.97 |
| Granted |
9.96 |
| Canceled/Forfeited |
14.38 |
| Exercised |
10.51 |
| Ending balance |
13.08 |
| Total vested and exercisable as of July 1, 2012 |
14.22 |
| Beginning balance |
5 years 7 months 24 days |
| Granted |
|
| Canceled/Forfeited |
|
| Exercised |
|
| Ending balance |
5 years 9 months 26 days |
| Total vested and exercisable as of July 1, 2012 |
5 years 2 months 9 days |
| Granted |
|
| Canceled/Forfeited |
|
| Exercised |
|
| Ending balance |
3,921 |
| Total vested and exercisable as of July 1, 2012 |
564 |