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Employee Benefit Plans - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 04, 2021 | Mar. 29, 2020 | Apr. 04, 2021 | Mar. 29, 2020
Retirement Benefits [Abstract] |  |  |  |
Company contributions to pension and defined benefit plans, including discretionary amounts | $ 0.9 | $ 0.7 | $ 3.7 | $ 1.5

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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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