Balance Sheet Components (Schedule Of Property And Equipment, Net) (Details) - USD ($) $ in Thousands |
Oct. 02, 2016 |
Dec. 31, 2015 |
---|---|---|
Total property and equipment, gross | $ 131,268 | $ 126,536 |
Accumulated depreciation and amortization | (111,792) | (104,152) |
Total property and equipment, net | 19,476 | 22,384 |
Computer Equipment [Member] | ||
Total property and equipment, gross | 11,594 | 11,161 |
Furniture, Fixtures And Leasehold Improvements [Member] | ||
Total property and equipment, gross | 20,099 | 18,317 |
Software [Member] | ||
Total property and equipment, gross | 30,741 | 30,396 |
Machinery And Equipment [Member] | ||
Total property and equipment, gross | $ 68,834 | $ 66,662 |