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Retirement Plans - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
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Oct. 03, 2021 | Sep. 27, 2020 | Sep. 29, 2019
Retirement Benefits [Abstract] |  |  |
Employer contributions to the plans | $ 26.9 | $ 25.0 | $ 23.3
Assets related to deferred compensation plans | 41.4 | 35.1 |
Liabilities related to deferred compensation plans | $ 41.1 | $ 35.0 |
Maximum age pension plan was open for new entrants | 24 years |  |

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- Definition Defined Benefit Plan, Pension Plan Open for New Entrants, Maximum Age + References No definition available. + Details
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- References No definition available. + Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable beyond one year (or the operating cycle, if longer). + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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