Financial Instruments and Risk Management - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | |
|---|---|---|---|---|---|
Jun. 27, 2026 |
Jun. 30, 2026 |
Jun. 27, 2026 |
Dec. 31, 2025 |
Sep. 27, 2025 |
|
| Derivatives, Fair Value [Line Items] | |||||
| Maximum maturity period of highly liquid investment considered as cash equivalents | 3 months | ||||
| Interest Rate Risk [Abstract] | |||||
| Government Assistance, Income, Increase (Decrease) | $ 1,100 | $ 4,600 | |||
| PTCs | $ 1,600 | $ 3,000 | |||
| Cash collateral | $ 1,796 | $ 1,796 | $ 2,813 | ||
| Commodity Contract [Member] | |||||
| Interest Rate Risk [Abstract] | |||||
| Weighted average maturity of outstanding commodity-related derivatives | 6 months | 7 months | |||
| Federal Funds Rate [Member] | |||||
| Interest Rate Risk [Abstract] | |||||
| Description of applicable interest rate on borrowings | Federal Funds Rate | ||||
| Basis spread (in hundredths) | 0.50% | ||||
| SOFR [Member] | |||||
| Interest Rate Risk [Abstract] | |||||
| Description of applicable interest rate on borrowings | SOFR | ||||
| Basis spread (in hundredths) | 1.00% | ||||