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Goodwill - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Dec. 26, 2020 USD ($) segment | Dec. 28, 2019 USD ($) | Sep. 26, 2020 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract] |  |  |
Number of reporting units | segment | 2 |  |
Impairment of goodwill | $ 0 | $ 0 |
Goodwill [Line Items] |  |  |
Goodwill | $ 289,955,000 | 289,854,000 | $ 289,955,000
Pet Segment | C&S Products |  |  |
Goodwill [Line Items] |  |  |
Goodwill |  | $ 3,800,000 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. + References No definition available. + Details
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- References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References No definition available. + Details
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- Details
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- Details
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