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Derivative Instruments (Tables) | 9 Months Ended
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Oct. 02, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Outstanding Forward Contracts Table | The Company had the following outstanding forward contracts (in thousands):
| October 2, 2016 |  | December 31, 2015
Currency | Notional Value |  | USD Equivalent |  | Notional Value |  | USD Equivalent
Derivatives Designated as Hedging Instruments: |  |  |  |  |  |  |
United States Dollar | 5,225 |  |  | $ | 5,225 |  |  | 16,720 |  |  | $ | 16,720 |
Japanese Yen | 547,500 |  |  | 4,961 |  |  | 942,500 |  |  | 7,605 |
Hungarian Forint | 117,000 |  |  | 414 |  |  | 547,000 |  |  | 1,893 |
Singapore Dollar | 428 |  |  | 302 |  |  | 2,063 |  |  | 1,425 |
Canadian Dollar | — |  |  | — |  |  | 41 |  |  | 37 |
British Pound | — |  |  | — |  |  | 25 |  |  | 34 |
Derivatives Not Designated as Hedging Instruments: |  |  |  |
Japanese Yen | 775,000 |  |  | $ | 7,700 |  |  | 700,000 |  |  | $ | 5,800 |
British Pound | 1,525 |  |  | 1,985 |  |  | 1,650 |  |  | 2,441 |
Korean Won | 1,750,000 |  |  | 1,595 |  |  | 1,400,000 |  |  | 1,187 |
Hungarian Forint | 355,000 |  |  | 1,269 |  |  | 250,000 |  |  | 857 |
Singapore Dollar | 1,575 |  |  | 1,252 |  |  | 1,525 |  |  | 1,074 |
Taiwanese Dollar | 27,225 |  |  | 1,249 |  |  | 26,425 |  |  | 800 |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | Information regarding the fair value of the outstanding forward contracts was as follows (in thousands):
| Asset Derivatives |  | Liability Derivatives
| Balance |  | Fair Value |  | Balance |  | Fair Value
| Sheet Location |  | October 2, 2016 |  | December 31, 2015 |  | Sheet Location |  | October 2, 2016 |  | December 31, 2015
Derivatives Designated as Hedging Instruments: |  |  |  |  |  |
Cash flow hedge forward contracts | Prepaid expenses and other current assets |  | $ | 82 |  |  | $ | 441 |  |  | Accrued expenses |  | $ | 460 |  |  | $ | 201 |
Derivatives Not Designated as Hedging Instruments: |  |  |  |  |  |
Economic hedge forward contracts | Prepaid expenses and other current assets |  | $ | 75 |  |  | $ | 9 |  |  | Accrued expenses |  | $ | 33 |  |  | $ | 43 |
Offsetting Assets | The following table presents the gross activity for all derivative assets and liabilities which were presented on a net basis on the Consolidated Balance Sheets due to the right of offset with each counterparty (in thousands):
Asset Derivatives |  | Liability Derivatives
|  | October 2, 2016 |  | December 31, 2015 |  |  |  | October 2, 2016 |  | December 31, 2015
Gross amounts of recognized assets |  | $ | 157 |  |  | $ | 479 |  |  | Gross amounts of recognized liabilities |  | $ | 507 |  |  | $ | 279 |
Gross amounts offset |  | — |  |  | (29 | ) |  | Gross amounts offset |  | (14 | ) |  | (35 | )
Net amount of assets presented |  | $ | 157 |  |  | $ | 450 |  |  | Net amount of liabilities presented |  | $ | 493 |  |  | $ | 244 |
Derivative Instruments, Gain (Loss) | Information regarding the effect of derivative instruments on the consolidated financial statements was as follows (in thousands):
| Location in Financial Statements |  | Three-months Ended |  | Nine-months Ended
|  | October 2, 2016 |  | October 4, 2015 |  | October 2, 2016 |  | October 4, 2015
Derivatives Designated as Hedging Instruments: |  |  |
Gains (losses) recorded in shareholders' equity (effective portion) | Accumulated other comprehensive income (loss), net of tax |  | $ | (332 | ) |  | $ | (122 | ) |  | $ | (332 | ) |  | $ | (122 | )
Gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations (effective portion) | Revenue |  | $ | (250 | ) |  | $ | (125 | ) |  | $ | (453 | ) |  | $ | (436 | )
| Research, development, and engineering expenses |  | 1 |  |  | (3 | ) |  | 5 |  |  | 16 |
| Selling, general, and administrative expenses |  | 8 |  |  | 38 |  |  | 21 |  |  | 151 |
| Total gains (losses) reclassified from accumulated other comprehensive income (loss) into current operations |  | $ | (241 | ) |  | $ | (90 | ) |  | $ | (427 | ) |  | $ | (269 | )
Gains (losses) recognized in current operations (ineffective portion and discontinued derivatives) | Foreign currency gain (loss) |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Derivatives Not Designated as Hedging Instruments: |  |  |
Gains (losses) recognized in current operations | Foreign currency gain (loss) |  | $ | 24 |  |  | $ | (322 | ) |  | $ | (1,089 | ) |  | $ | 20 |
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) | The following table provides the changes in accumulated other comprehensive income (loss), net of tax, related to derivative instruments (in thousands):
Balance as of December 31, 2015 |  | $ | 206 |
Reclassification of net realized loss on cash flow hedges into current operations |  | 427 |
Net unrealized loss on cash flow hedges |  | (965 | )
Balance as of October 2, 2016 |  | $ | (332 | )

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