Derivative Financial Instruments - Schedule of Changed in FV of Cash Flow Hedges (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 29, 2019	Sep. 30, 2018	Oct. 01, 2017
Interest rate swap agreements
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in other comprehensive income, net of tax	$ (12,125)	$ 806	$ 1,614

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

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=118930883&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=118930883&loc=SL7669646-108580

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