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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Mar. 27, 2021
Accounting Policies [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table shows the computation of basic and diluted earnings per share for the three- and six-month periods ended March 27, 2021 and March 28, 2020 (net income in millions and shares in thousands):
| Three Months Ended |  | Six Months Ended
| March 27, 2021 |  | March 28, 2020 |  | March 27, 2021 |  | March 28, 2020
Numerator: |  |  |  |  |  |  |
Net income | $ | 23,630 |  |  | $ | 11,249 |  |  | $ | 52,385 |  |  | $ | 33,485 |
Denominator: |  |  |  |  |  |  |
Weighted-average basic shares outstanding | 16,753,476 |  |  | 17,440,402 |  |  | 16,844,298 |  |  | 17,550,281 |
Effect of dilutive securities | 175,681 |  |  | 178,363 |  |  | 177,125 |  |  | 168,310 |
Weighted-average diluted shares | 16,929,157 |  |  | 17,618,765 |  |  | 17,021,423 |  |  | 17,718,591 |
Basic earnings per share | $ | 1.41 |  |  | $ | 0.64 |  |  | $ | 3.11 |  |  | $ | 1.91 |
Diluted earnings per share | $ | 1.40 |  |  | $ | 0.64 |  |  | $ | 3.08 |  |  | $ | 1.89 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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