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Basis of Presentation and Summary of Significant Accounting Policies - Gains (Losses) on Foreign Exchange Contracts (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 28, 2019 | Sep. 29, 2018
Cost of Sales [Member] | Foreign Currency Exchange Contract [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Realized losses on closed contracts | $ (3,340) | $ (23) | $ (5,858) | $ (2,158)
Unrealized (losses) gains on open contracts | (633) | (5) | (1,040) | (1,092)
Cumulative net pre-tax losses | (3,973) | (28) | (6,898) | (3,250)
Interest Income [Member] | Cross Currency Interest Rate Contract [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Interest earned | 2,698 | 927 | 7,848 | 927
Stockholders' Equity [Member] | Cross Currency Interest Rate Contract [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Unrealized gains on open contracts | $ 15,847 | $ 767 | $ 15,852 | $ 767

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