Derivative Financial Instruments - Changes in Fair Value of Interest Rate Swap Agreements (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 03, 2021	Sep. 27, 2020	Sep. 29, 2019
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in other comprehensive income, net of tax	$ 6,117	$ (4,638)
(Loss) gain recognized in other comprehensive income, net of tax			$ (12,125)
Interest rate swap agreements
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in other comprehensive income, net of tax	$ 6,117	$ (4,638)
(Loss) gain recognized in other comprehensive income, net of tax			$ (12,125)

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.

No definition available.

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- Definition

Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580

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- Definition

Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580

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