Derivative Financial Instruments - Schedule of Derivative Financial Instruments at Gross Fair Value (Parentheticals) (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Sep. 30, 2019
Derivative [Line Items]
Gross Amount of Recognized Assets	$ 2,372
Gross Amount of Recognized Liabilities	1,684
Other Current Assets \| Forward Contracts
Derivative [Line Items]
Gross Amount of Recognized Assets	2,400	$ 3,100
Other Current Liabilities \| Forward Contracts
Derivative [Line Items]
Gross Amount of Recognized Liabilities	$ 1,700	$ 2,800

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
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-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

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