Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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+ References

No definition available.

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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Schedule of Derivative Instruments (Detail) - USD ($) $ in Thousands	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019
Derivative [Line Items]
Derivative, Notional Amount						$ 33,000
Subsequent Event [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	$ 125	$ 117	$ 525	$ 736	$ 508
Subsequent Event [Member] \| Mexico, Pesos
Derivative [Line Items]
Derivative, Notional Amount	132,773	141,173	138,213	146,613	152,613
Subsequent Event [Member] \| United States of America, Dollars
Derivative [Line Items]
Derivative, Notional Amount	$ 6,241	$ 6,729	$ 6,257	$ 6,553	$ 7,187