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v3.25.3

Borrowings - Narrative (Details) $ in Thousands, £ in Millions, shares in Millions |  |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 27, 2025 USD ($) | Mar. 27, 2025 GBP (£) | Mar. 13, 2025 USD ($) shares | Aug. 18, 2023 USD ($) | Feb. 16, 2023 USD ($) | Feb. 06, 2023 USD ($) | Feb. 06, 2023 GBP (£) | Sep. 26, 2025 USD ($) | Sep. 27, 2024 USD ($) | Sep. 29, 2023 USD ($) | Mar. 27, 2025 GBP (£) | Mar. 13, 2025 GBP (£)
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from long-term borrowings |  |  |  |  |  |  |  | $ 2,458,201 | $ 4,606,697 | $ 3,860,468 |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  | (20,510) | 0 | $ 0 |  |
Letters of credit outstanding |  |  |  |  |  |  |  |  | $ 306,200 |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  |  |  | $ 400,000 |  |  |  |  |  |
Letters of credit outstanding |  |  |  |  |  |  |  | $ 217,000 |  |  |  |
Sub Facility Of Swing Line Loans |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  |  |  | 100,000 |  |  |  |  |  |
5.90% Bonds | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  | 5.90% |  |  | 5.90% |  |  |  |
Long-term debt fair value |  |  |  |  |  |  |  | $ 527,600 |  |  |  |
Debt instrument, interest rate, increase (decrease) |  |  |  |  | 0.35% |  |  |  |  |  |  |
Debt instrument, redemption price, percentage |  |  |  |  | 100.00% |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  | $ 500,000 |  |  |  |  |  |  |
6.35% Bonds | Senior Notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  | 6.35% |  |  |  | 6.35% |  |  |  |
Long-term debt fair value |  |  |  |  |  |  |  | $ 633,300 |  |  |  |
Debt instrument, interest rate, increase (decrease) |  |  |  | 0.30% |  |  |  |  |  |  |  |
Debt instrument, redemption price, percentage |  |  |  | 100.00% |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | $ 600,000 |  |  |  |  |  |  |  |
Unsecured Revolving Credit Facility February 6, 2023 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Available borrowing capacity |  |  |  |  |  |  |  | 1,850,000 |  |  |  |
Unsecured Revolving Credit Facility February 6, 2023 | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  |  |  | 2,250,000 |  |  |  |  |  |
Unsecured Revolving Credit Facility February 6, 2023 | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  |  |  |  |  | 300 |  |  |  |
2021 Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from long-term borrowings |  |  |  |  |  | $ 200,000 | £ 650.0 |  |  |  |  |
Line of credit facility, amount outstanding | $ 531,600 |  |  |  |  |  |  |  |  |  |  |
2021 Term Loan Facility | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  | $ 20,500 |  |  |  |  |  |  |  |  |
2021 Term Loan Facility | Revolving Credit Facility | Common Stock |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Debt conversion, converted instrument, shares issued (in shares) | shares |  |  | 19.5 |  |  |  |  |  |  |  |  |
Convertible debt |  |  | $ 311,500 |  |  |  |  |  |  |  |  | £ 239.8
2025 Term Loan Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from long-term borrowings | $ 200,000 | £ 410.0 |  |  |  |  |  |  |  |  |  |
Debt instrument, term | 2 years | 2 years |  |  |  |  |  |  |  |  |  |
Line of credit facility, amount outstanding | $ 120,000 |  |  |  |  |  |  |  |  |  | £ 410.2 |
Committed And Uncommitted Letter Of Credit Facility | Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility, maximum borrowing capacity |  |  |  |  |  |  |  | $ 216,700 |  |  |  |

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