Derivative Instruments and Hedging Activities - Additional Information (Detail) $ in Millions	12 Months Ended
Sep. 27, 2019 USD ($)
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 2.8
Minimum
Derivative [Line Items]
Derivative, Remaining Maturity	1 month
Maximum
Derivative [Line Items]
Derivative, Remaining Maturity	15 months
Foreign currency forward contracts
Derivative [Line Items]
Derivative, term of contract (in months)	1 month
Foreign currency forward contracts \| Minimum
Derivative [Line Items]
Derivative, Remaining Maturity	1 month
Foreign currency forward contracts \| Maximum
Derivative [Line Items]
Derivative, Remaining Maturity	15 months

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994

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- Definition

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.

+ References

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- Definition

Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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