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Debt - Additional Information (Detail) - USD ($)			12 Months Ended
	Jun. 27, 2019	Jun. 26, 2019	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Maximum percentage of stock of non US subsidiaries pledge to secure obligation			66.00%
Amended credit agreement, debt issuance costs			$ 1,278,000
Federal Funds Rate | Minimum
Debt Instrument [Line Items]
Interest rate			0.50%
Federal Funds Rate | Maximum
Debt Instrument [Line Items]
Interest rate			1.55%
London Interbank Offered Rate
Debt Instrument [Line Items]
Interest rate			1.76%
Revolving Note (U.S. Dollar)
Debt Instrument [Line Items]
Undrawn borrowing capacity			$ 403,378,000
United State Bank Of America Credit Facility
Debt Instrument [Line Items]
Interest rate			4.75%
Euro Currency Rate Loans
Debt Instrument [Line Items]
Interest rate			1.00%
Euro Currency Rate Loans | Credit Agreement | Minimum
Debt Instrument [Line Items]
Interest rate			1.25%
Euro Currency Rate Loans | Credit Agreement | Maximum
Debt Instrument [Line Items]
Interest rate			2.25%
Base Rate Loans | Credit Agreement | Minimum
Debt Instrument [Line Items]
Interest rate			0.25%
Base Rate Loans | Credit Agreement | Maximum
Debt Instrument [Line Items]
Interest rate			1.25%
DEG Vietnam Loan
Debt Instrument [Line Items]
Semi-annual principal payments earliest date			2017-11
Semi-annual principal payments latest date			2023-05
DEG Loan
Debt Instrument [Line Items]
Semi-annual principal payments earliest date			2015-03
Semi-annual principal payments latest date			2019-09
Revolving Credit Facility | Revolving Note (U.S. Dollar)
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 475,000,000	$ 350,000,000		$ 350,000,000
Maximum borrowing capacity increase subject to specified conditions			$ 175,000,000
Debt maturity date	Jun. 27, 2024	Mar. 17, 2021
Revolving Credit Facility | Revolving Note (U.S. Dollar) | Letters of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity			15,000,000
Line of credit, outstanding amount			0	$ 455,000
Revolving Credit Facility | Revolving Note (U.S. Dollar) | Swing Line Loans
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 40,000,000

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Debt instrument maturity month and year range end.

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Debt instrument maturity month and year range start.

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Line of credit facility increase maximum borrowings subject to specific conditions.

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Percentage of stock interest on subsidiaries pledge to secure obligation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Amount, before accumulated amortization, of debt issuance costs related to line of credit arrangements. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The effective interest rate during the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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