SUPPLEMENTAL BALANCE SHEET INFORMATION - Allowance for credit losses (Details) - USD ($) $ in Thousands |
6 Months Ended | |||
|---|---|---|---|---|
Jun. 28, 2026 |
Jun. 29, 2025 |
Dec. 28, 2025 |
Dec. 29, 2024 |
|
| Accounts Receivable, Allowance for Credit Loss [Roll Forward] | ||||
| Beginning balance | $ 1,142 | $ 876 | $ 2,190 | $ 1,009 |
| Provision for credit losses | 376 | 435 | ||
| Write-offs | (1,424) | (568) | ||
| Foreign currency translation | 0 | 0 | ||
| Ending balance | $ 1,142 | $ 876 | ||
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of foreign currency translation gain (loss) which decreases (increases) allowance for credit loss on financing receivable. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|