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Goodwill and other Intangible Assets Schedule of Goodwill (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 24, 2017
Goodwill [Line Items] |  |
Goodwill, Gross | $ 1,535,155,000 | $ 1,532,458,000
Goodwill, Impaired, Accumulated Impairment Loss | (1,288,729,000) | (1,288,729,000)
Goodwill | 246,176,000 | 246,426,000
Goodwill, Acquired During Period | 0 | 2,697,000
Disposal Group, Including Discontinued Operation, Goodwill, Current | $ (250,000) | 0
2017 Acquisition [Member] |  |
Goodwill [Line Items] |  |
Goodwill |  | $ 2,445,000

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- Definition Amount classified as goodwill attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65878427&loc=SL51721533-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2473-110228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=65878427&loc=d3e1107-107759 + Details
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