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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
	Mar. 30, 2019	Mar. 31, 2018
Cost of Sales [Member] | Foreign Currency Exchange Contract [Member]
Derivative [Line Items]
Realized (losses) gains on closed contracts	$ (543)	$ 1,937
Unrealized gains (losses) on open contracts	526	(985)
Cumulative net pre-tax (losses) gains	(17)	$ 952
Interest Income [Member] | Cross Currency Interest Rate Contract [Member]
Derivative [Line Items]
Interest earned	2,227
Stockholders' Equity [Member] | Cross Currency Interest Rate Contract [Member]
Derivative [Line Items]
Unrealized gains on contracts	$ 7,120

X

- Definition

Amount of increase in the fair value of derivatives recognized in the income statement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
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