Revenues - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 28, 2026 |
Sep. 29, 2025 |
Sep. 28, 2026 |
Sep. 29, 2025 |
Dec. 29, 2025 |
|
| Revenue From Contract With Customer [Line Items] | |||||
| Remaining revenue performance obligation, percentage | 55.00% | 55.00% | |||
| Estimated remaining costs to complete loss contracts | $ 17,438 | $ 33,163 | |||
| Revenue recognized from contract liabilities | $ 92,514 | $ 82,722 | |||
| Transferred over Time | |||||
| Revenue From Contract With Customer [Line Items] | |||||
| Revenue from products and services transferred to customers, percentage | 97.00% | 96.00% | 3.00% | 4.00% | |