XML 32 R18.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Other Income (Expense), Net | 12 Months Ended
--- | ---
Dec. 30, 2023
Other Income Expense [Abstract] |
Other Income (Expense), Net | 11. Other Expense, Net: Other expense, net is comprised of the following:
| Year Ended |
| December 30, 2023 |  |  | December 31, 2022 |  |  | January 1, 2022 |
Foreign currency exchange losses, net | $ | (4,091 | ) |  | $ | (73 | ) |  | $ | (2,020 | )
Other |  | 239 |  |  |  | (68 | ) |  |  | 132 |
Total other expense, net | $ | (3,852 | ) |  | $ | (141 | ) |  | $ | (1,888 | )

X
- Definition Other Income (Expense) [Abstract] + References No definition available. + Details
Name: | onto_OtherIncomeExpenseAbstract
Namespace Prefix: | onto_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 610 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//610/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 720 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//720/tableOfContent + Details
Name: | us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration