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Revenue and Contract Balances - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 29, 2025 | Jun. 30, 2024 | Jun. 29, 2025 | Jun. 30, 2024 | Sep. 29, 2024
Revenue from Contract with Customer [Abstract] |  |  |  |  |
Contract liability revenue recognized during the period |  |  | $ 213,000 | $ 214,000 |
Net favorable (unfavorable) revenue and operating income adjustments | $ 9,900 | $ 16,500 | 6,500 | $ 16,400 |
Liabilities for anticipated losses | 12,800 |  | 12,800 |  | $ 15,100
Estimated cost to complete the related contracts | 73,000 |  | $ 73,000 |  | $ 101,000
Period for billing and collecting unbilled receivables |  |  | 12 months |  |
Remaining unsatisfied performance obligation | $ 4,239,772 |  | $ 4,239,772 |  |
Remaining performance obligation, termination notice period one |  |  | 30 days |  |
Remaining performance obligation, termination notice period two |  |  | 60 days |  |
Remaining performance obligation, termination notice period three |  |  | 90 days |  |

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- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which (increases) decreases obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 + Details
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- Definition Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 605 -SubTopic 35 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481187/605-35-45-2 + Details
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