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Derivative Instruments - Outstanding Forward Contracts Table (Detail) - Not Designated as Hedging Instrument ₩ in Thousands, ¥ in Thousands, £ in Thousands, SFr in Thousands, Ft in Thousands, $ in Thousands, $ in Thousands | Apr. 01, 2018 HUF (Ft) | Apr. 01, 2018 GBP (£) | Apr. 01, 2018 CHF (SFr) | Apr. 01, 2018 JPY (¥) | Apr. 01, 2018 KRW (₩) | Apr. 01, 2018 TWD ($) | Apr. 01, 2018 USD ($) | Dec. 31, 2017 HUF (Ft) | Dec. 31, 2017 GBP (£) | Dec. 31, 2017 CHF (SFr) | Dec. 31, 2017 JPY (¥) | Dec. 31, 2017 KRW (₩) | Dec. 31, 2017 TWD ($) | Dec. 31, 2017 USD ($)
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Japanese Yen |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding forward contracts |  |  |  | ¥ 565,000 |  |  | $ 5,299 |  |  |  | ¥ 455,000 |  |  | $ 4,049
Swiss Franc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding forward contracts |  |  | SFr 1,600 |  |  |  | 2,072 |  |  | SFr 1,365 |  |  |  | 1,401
British Pound |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding forward contracts |  | £ 1,300 |  |  |  |  | 1,824 |  | £ 1,650 |  |  |  |  | 2,232
Hungarian Forint |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding forward contracts | Ft 400,000 |  |  |  |  |  | 1,576 | Ft 545,000 |  |  |  |  |  | 2,110
Taiwanese Dollar |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding forward contracts |  |  |  |  |  | $ 43,000 | 1,480 |  |  |  |  |  | $ 37,725 | 1,278
Korean Won |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding forward contracts |  |  |  |  | ₩ 655,000 |  | $ 616 |  |  |  |  | ₩ 1,825,000 |  | $ 1,708

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