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Shareholders' Equity - Shares of Common Stock (Details) - shares shares in Thousands | 12 Months Ended
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Sep. 26, 2020 | Sep. 28, 2019 | Sep. 29, 2018
Increase (Decrease) in Shares of Common Stock Outstanding [Roll Forward] |  |  |
Common stock outstanding, beginning balances (in shares) | 17,772,945 |  |
Common stock repurchased (in shares) | (917,000) |  |
Common stock outstanding, ending balances (in shares) | 16,976,763 | 17,772,945 |
Common stock |  |  |
Increase (Decrease) in Shares of Common Stock Outstanding [Roll Forward] |  |  |
Common stock outstanding, beginning balances (in shares) | 17,772,945 | 19,019,943 | 20,504,805
Common stock repurchased (in shares) | (917,270) | (1,380,819) | (1,622,198)
Common stock issued, net of shares withheld for employee taxes (in shares) | 121,088 | 133,821 | 137,336
Common stock outstanding, ending balances (in shares) | 16,976,763 | 17,772,945 | 19,019,943

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- Definition Shares of stock issued during the period as a result of any share-based compensation plan other than an employee stock ownership plan (ESOP), net of shares withheld for employee taxes. + References No definition available. + Details
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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=120391452&loc=d3e13212-122682 + Details
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