XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.25.1

Income Taxes (Tables) | 3 Months Ended
--- | ---
Apr. 27, 2025
Income Tax Disclosure [Abstract] |
Schedule of Unrecognized Tax Benefits Roll Forward | A reconciliation of the beginning and ending amount of gross unrecognized tax benefits (before the federal impact of state items) is as follows:
(in thousands) |
Balance at January 26, 2025 | $ | 20,966 |
Additions based on tax positions related to the current fiscal year | 527 |
Additions based on tax positions related to prior fiscal years | 168 |
Balance at April 27, 2025 | $ | 21,661 |
Liability For Uncertain Tax Positions | The liability for UTP is reflected in the Balance Sheets as follows:
(in thousands) | April 27, 2025 |  | January 26, 2025
Deferred tax assets - non-current | $ | 14,558 |  |  | $ | 14,255 |
Other long-term liabilities | 5,165 |  |  | 4,775 |
Total accrued taxes | $ | 19,723 |  |  | $ | 19,030 |
Regional Income (Loss) From Continuing Operations Before Income Taxes | The Company's regional income or loss before taxes and equity method income or loss was as follows:
| Three Months Ended |  |
(in thousands) | April 27, 2025 |  | April 28, 2024 |  |  |  |
Domestic | $ | 11,851 |  |  | $ | (18,869) |  |  |  |  |
Foreign | 15,101 |  |  | (1,384) |  |  |  |  |
Total | $ | 26,952 |  |  | $ | (20,253) |  |  |  |  |

X
- Definition Liability For Uncertain Tax Positions [Table Text Block] + References No definition available. + Details
Name: | smtc_LiabilityForUncertainTaxPositionsTableTextBlock
Namespace Prefix: | smtc_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of income before income tax between domestic and foreign jurisdictions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 217 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-217 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A + Details
Name: | us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration