Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 01, 2018 |
Apr. 02, 2017 |
|
| Statement of Comprehensive Income [Abstract] | ||
| Net income | $ 37,217 | $ 45,471 |
| Cash flow hedges: | ||
| Net unrealized gain (loss), net of tax of $0 and ($4) in 2018 and 2017, respectively | 0 | (71) |
| Reclassification of net realized (gain) loss into current operations | 0 | 44 |
| Net change related to cash flow hedges | 0 | (27) |
| Available-for-sale investments: | ||
| Net unrealized gain (loss), net of tax of ($114) and $92 in 2018 and 2017, respectively | (1,192) | 511 |
| Reclassification of net realized (gain) loss into current operations | (22) | (65) |
| Net change related to available-for-sale investments | (1,214) | 446 |
| Foreign currency translation adjustments: | ||
| Foreign currency translation adjustments | 4,056 | 2,481 |
| Other comprehensive income (loss), net of tax | 2,842 | 2,900 |
| Total comprehensive income | $ 40,059 | $ 48,371 |