|
Note 6 - Equity Incentive Plan and Stock-Based Compensation (Details) - Total Recorded Stock-based Compensation Expense (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 28, 2014
|
Sep. 29, 2013
|
Sep. 28, 2014
|
Sep. 29, 2013
|
|||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||||||||
| Stock-based compensation expense after income taxes(1) | $ 9,476 | [1] | $ 7,028 | [1] | $ 25,078 | [1] | $ 23,324 | [1] | ||
|
Cost of Sales [Member]
|
||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||||||||
| Stock based compensation expense | 1,553 | 1,384 | 4,476 | 4,235 | ||||||
|
Research and Development Expense [Member]
|
||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||||||||
| Stock based compensation expense | 2,484 | 1,952 | 6,298 | 7,420 | ||||||
|
Selling, General and Administrative Expenses [Member]
|
||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] | ||||||||||
| Stock based compensation expense | $ 5,439 | $ 3,692 | $ 14,304 | $ 11,669 | ||||||
|
||||||||||