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Goodwill and other Intangible Assets Schedule of Asset Impairment Charges (Details) - USD ($) | 3 Months Ended | 12 Months Ended
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Sep. 24, 2017 | Sep. 30, 2018 | Sep. 24, 2017 | Sep. 25, 2016
Asset Impairment Charges [Line Items] |  |  |  |
Assets loss (gain) on sales, impairments and other | $ 267,000 | $ 267,000 | $ 2,517,000 | $ 2,185,000
Indefinite-lived Intangible Assets, Impairment Losses |  | 0 | 2,035,000 | 818,000
Tangible Asset Impairment Charges |  | $ 267,000 | $ 482,000 | $ 1,367,000

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- Definition Asset Impairment Charges [Line Items]- Tabular disclosure of asset impairment charges, including goodwill, indefinite lived intangible asset, finite lived intangible asset, property, plant and equipment and equity method investments. + References No definition available. + Details
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- Definition Subtotal of charges during the period from the impairment of assets including goodwill, indefinite lived intangible assets, finite lived intangible assets and tangible property. This excludes the other than tempororaty impairment of equity method investments. + References No definition available. + Details
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760 + Details
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