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Derivative Financial Instruments - Schedule of Changed in FV of Cash Flow Hedges (Details) - Gain (Loss) on Derivative Instruments - Interest rate swap agreements - USD ($) $ in Thousands | 3 Months Ended
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Dec. 29, 2019 | Dec. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gain (loss) recognized in other comprehensive income, net of tax: | $ 1,670 |
Gain (loss) recognized in other comprehensive income, net of tax: |  | $ (4,009)

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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=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 + Details
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