XML 99 R31.htm IDEA: XBRL DOCUMENT
v3.20.1

Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Jan. 26, 2020
Accounting Policies [Abstract] |
Schedule of changes in other comprehensive income (loss) by component | The following table summarizes the changes in other comprehensive (loss) income by component:
| Fiscal Year Ended
| January 26, 2020 |  | January 27, 2019 |  | January 28, 2018
(in thousands) | Pre-tax Amount |  | Tax Benefit (Expense) |  | Net Amount |  | Pre-tax Amount |  | Tax (Expense) Benefit |  | Net Amount |  | Pre-tax Amount |  | Tax Benefit (Expense) |  | Net Amount
Defined benefit plans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive (loss) gain before reclassifications | $ | (9,237 | ) |  | $ | 1,276 |  |  | $ | (7,961 | ) |  | $ | (2,597 | ) |  | $ | 116 |  |  | $ | (2,481 | ) |  | $ | 637 |  |  | $ | (253 | ) |  | $ | 384 |
Amounts reclassified to earnings included in "Selling, general and administrative" | 3,446 |  |  | (476 | ) |  | 2,970 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Foreign currency hedge: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive (loss) gain before reclassifications | 66 |  |  | (7 | ) |  | 59 |  |  | (164 | ) |  | 49 |  |  | (115 | ) |  | 1,205 |  |  | (263 | ) |  | 942 |
Amounts reclassified to earnings included in "Selling, general and administrative" | (149 | ) |  | 16 |  |  | (133 | ) |  | 233 |  |  | (44 | ) |  | 189 |  |  | (1,531 | ) |  | 299 |  |  | (1,232 | )
Available-for-sale securities: |  |  |  |  | — |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive gain before reclassifications | 3,156 |  |  | (650 | ) |  | 2,506 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Other comprehensive (loss) income | $ | (2,718 | ) |  | $ | 159 |  |  | $ | (2,559 | ) |  | $ | (2,528 | ) |  | $ | 121 |  |  | $ | (2,407 | ) |  | $ | 311 |  |  | $ | (217 | ) |  | $ | 94 |
Schedule of accumulated other comprehensive income (loss) | The following table summarizes the changes in accumulated other comprehensive loss by component:
(in thousands) | Defined Benefit Plans |  | Foreign Currency Hedge |  | Available-for-Sale Securities |  | Cumulative Translation Adjustment |  | Accumulated Other Comprehensive Loss
Balance as of January 29, 2017 | $ | (2,414 | ) |  | $ | 290 |  |  | $ | — |  |  | $ | 830 |  |  | $ | (1,294 | )
Other comprehensive income (loss) | 384 |  |  | (290 | ) |  | — |  |  | — |  |  | 94 |
Balance as of January 28, 2018 | (2,030 | ) |  | — |  |  | — |  |  | 830 |  |  | (1,200 | )
Other comprehensive (loss) income | (2,481 | ) |  | 74 |  |  | — |  |  | — |  |  | (2,407 | )
Balance as of January 27, 2019 | (4,511 | ) |  | 74 |  |  | — |  |  | 830 |  |  | (3,607 | )
Other comprehensive (loss) income | (4,991 | ) |  | (74 | ) |  | 2,506 |  |  | — |  |  | (2,559 | )
Balance as of January 26, 2020 | $ | (9,502 | ) |  | $ | — |  |  | $ | 2,506 |  |  | $ | 830 |  |  | $ | (6,166 | )
Schedule of earnings per share calculation, basic and diluted | The computation of basic and diluted earnings per common share was as follows:
| Fiscal Year Ended
(in thousands, except per share data) | January 26, 2020 |  | January 27, 2019 |  | January 28, 2018
Net income attributable to common stockholders | $ | 31,871 |  |  | $ | 69,639 |  |  | $ | 34,649 |
Weighted average common shares outstanding–basic | 66,263 |  |  | 65,982 |  |  | 66,027 |
Dilutive effect of share-based compensation | 1,155 |  |  | 2,499 |  |  | 1,578 |
Weighted average common shares outstanding–diluted | 67,418 |  |  | 68,481 |  |  | 67,605 |
Basic earnings per common share | $ | 0.48 |  |  | $ | 1.06 |  |  | $ | 0.52 |
Diluted earnings per common share | $ | 0.47 |  |  | $ | 1.02 |  |  | $ | 0.51 |
Anti-dilutive shares not included in the above calculations | 120 |  |  | 553 |  |  | 402 |

X
- Definition Schedule Of Other Comprehensive Income By Component [Table Text Block] + References No definition available. + Details
Name: | smtc_ScheduleOfOtherComprehensiveIncomeByComponentTableTextBlock
Namespace Prefix: | smtc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration