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Stockholders' Equity and Stock-Based Compensation - Assumptions to Value Stock Options (Details) - USD ($) | 12 Months Ended
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Sep. 28, 2024 | Sep. 30, 2023 | Sep. 24, 2022
Assumptions: |  |  |
Risk-free interest rates | 4.40% | 4.30% | 1.10%
Expected life (in years) | 4 years 9 months 18 days | 4 years 9 months 18 days | 4 years 9 months 18 days
Expected volatility | 33.40% | 33.90% | 34.20%
Dividend yield | $ 0 | $ 0 | $ 0
ESPP |  |  |
Assumptions: |  |  |
Risk-free interest rates | 5.29% | 4.10% | 0.96%
Expected life (in years) | 6 months | 6 months | 6 months
Expected volatility | 33.40% | 34.00% | 34.00%
Dividend yield | $ 0 | $ 0 | $ 0

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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Rate of weighted-average expected volatility for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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