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Shareholders' Equity - Shares of Common Stock (Details) - shares shares in Thousands | 12 Months Ended
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Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common stock outstanding, beginning balances (in shares) | 4,754,986 |  |
Common stock repurchased (in shares) | (345,200) |  |
Common stock outstanding, ending balances (in shares) | 4,443,236 | 4,754,986 |
Common stock |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common stock outstanding, beginning balances (in shares) | 4,754,986 | 5,126,201 | 5,336,166
Common stock repurchased (in shares) | (345,205) | (405,549) | (246,496)
Common stock issued, net of shares withheld for employee taxes (in shares) | 33,455 | 34,334 | 36,531
Common stock outstanding, ending balances (in shares) | 4,443,236 | 4,754,986 | 5,126,201

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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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