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v3.23.1

Long-Term Debt - Narrative (Details) $ / shares in Units, shares in Millions |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 29, 2023 USD ($) | Jan. 12, 2023 USD ($) | Oct. 21, 2022 USD ($) d $ / shares | Oct. 19, 2022 USD ($) $ / shares shares | Nov. 07, 2019 USD ($) | Jan. 30, 2022 USD ($) | Apr. 26, 2020 | Jan. 29, 2023 USD ($) | Jan. 30, 2022 USD ($) | Jan. 31, 2021 USD ($) | Oct. 30, 2022 | Oct. 06, 2022 USD ($) $ / shares shares | Sep. 26, 2022 USD ($) | Sep. 01, 2022 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | $ 1,364,500,000 |  |  |  |  | $ 173,000,000 |  | $ 1,364,500,000 | $ 173,000,000 |  |  |  |  |
Payments for Derivative Instrument, Financing Activities |  |  |  | $ 72,600,000 |  |  |  |  |  |  |  |  |  |
Number of securities called by warrants (in shares) | shares |  |  |  | 8.6 |  |  |  |  |  |  |  | 8.6 |  |
Exercise price of warrants or rights (in dollars per share) | $ / shares |  |  |  | $ 51.15 |  |  |  |  |  |  |  | $ 51.15 |  |
Proceeds from sale of warrants |  |  |  | $ 42,900,000 |  |  |  | $ 42,909,000 | 0 | $ 0 |  |  |  |
Class Of Warrant Or Right And Debt Instrument, Net Cash Premium |  |  |  | $ 29,700,000 |  |  |  |  |  |  |  |  |  |
Interest Rate Swap |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Term of Contract |  | 5 years |  |  |  | 3 years |  |  |  | 3 years |  |  |  |
Triggering Event One |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 2.50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 4.75 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event One, If Relief Period Terminated |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 3.50 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Two |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 2.25 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 5.75 |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate | 3.44% |  |  |  |  |  |  | 3.44% |  |  |  |  |  |
Derivative, Basis Spread on Variable Rate | 2.35% |  |  |  |  |  |  | 2.35% |  |  |  |  |  |
Derivative, Interest Rate | 5.79% |  |  |  |  |  |  | 5.79% |  |  |  |  |  |
Triggering Event Two If Relief Period Terminated |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 3.50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 4.75 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Three |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 2.00 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 5.75 |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate | 4.43% |  |  |  |  |  |  | 4.43% |  |  |  |  |  |
Derivative, Basis Spread on Variable Rate | 2.35% |  |  |  |  |  |  | 2.35% |  |  |  |  |  |
Long-Term Debt, Percentage Bearing Floating Interest, Percentage Rate | 6.78% |  |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Three, If Relief Period Terminated |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 3.50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 4.75 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Four |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 2.25 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 5.50 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Four, If Relief Period Terminated |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 3.50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 4.75 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Five |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 2.50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 4.75 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Five, If Relief Period Terminated |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 3.50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 4.50 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Six |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Liquidity Ratio Required, Minimum |  | 3.50 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 4.50 |  |  |  |  |  |  |  |  |  |  |  |
Triggering Event Seven |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum |  | 3.75 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Leverage Ratio, Maximum, Increase Limit |  | 4.25 |  |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes | Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | $ 319,500,000 |  |  |  |  | $ 0 |  | $ 319,500,000 | 0 |  |  |  |  |
Debt instrument, conversion price (in dollars per share) | $ / shares |  |  | $ 37.27 | $ 37.27 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount, Not Subject To Redemption |  |  | $ 75,000,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 19,500,000 |  |  |  |  |  |  |  |  | $ 300,000,000 |  |
Debt Instrument, Convertible, Conversion Ratio |  |  | 0.02683 |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes | Convertible Debt | Debt Conversion Terms One |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Trading Days | d |  |  | 20 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Consecutive Trading Days | d |  |  | 30 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger |  |  | 130.00% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Threshold Trading Day | d |  |  | 61 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Redemption Price, Percentage |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
Conversion Price Percentage, Fundamental Change Repurchase |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
Convertible Senior Notes | Convertible Debt | Debt Conversion Terms Two |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Trading Days | d |  |  | 5 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Consecutive Trading Days | d |  |  | 10 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger |  |  | 98.00% |  |  |  |  |  |  |  |  |  |  |
Base Rate | Triggering Event One, Period Of Financial Covenant Relief |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 1.50% |  |  |  |  |  |  |  |  |
Base Rate | Triggering Event Two, Period Of Financial Covenant Relief |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |
Base Rate | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 0.25% |  |  |  |  |  |  |  |  |
Base Rate | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 1.25% |  |  |  |  |  |  |  |  |
Federal Funds | Amended And Restated Credit Agreement Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 0.50% |  |  |  |  |  |  |  |  |
LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |
LIBOR | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 1.25% |  |  |  |  |  |  |  |  |
LIBOR | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  | 2.25% |  |  |  |  |  |  |  |  |
Term loans | Credit Agreement | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding balance | $ 895,000,000 |  |  |  |  | $ 0 |  | $ 895,000,000 | $ 0 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 895,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Hedged by Interest Rate Derivatives |  | $ 450,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Quarterly Amortization, Percentage | 1.25% |  |  |  |  |  |  | 1.25% |  |  |  |  |  |
Revolving loans |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial commitment fee, percentage |  |  |  |  | 0.35% |  |  |  |  |  |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Amount |  |  |  |  |  |  |  |  |  | $ 150,000,000 |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate |  |  |  |  |  |  |  |  |  |  | 1.98% |  |  |
Debt Instrument, LIBOR Portion Of Fixed Rate |  |  |  |  |  |  | 0.73% |  | 0.11% |  |  |  |  |
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate |  |  |  |  |  | 1.36% |  |  | 1.36% |  |  |  |  |
Outstanding balance | $ 150,000,000 |  |  |  |  | $ 173,000,000 |  | $ 150,000,000 | $ 173,000,000 |  |  |  |  |
Undrawn revolving commitments | $ 450,000,000 |  |  |  |  |  |  | $ 450,000,000 |  |  |  |  |  |
Revolving loans | Triggering Event One |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, LIBOR Portion Of Fixed Rate | 0.73% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving loans | Amended And Restated Credit Agreement Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Covenant Compliance, Increase In Borrowing Capacity Availability |  |  |  |  | $ 332,000,000 |  |  |  |  |  |  |  |  |
Line of Credit Facility, Covenant Compliance, Maximum Consolidated Leverage Ratio |  |  |  |  | 3.50 |  |  |  |  |  |  |  |  |
Line Of Credit Facility, Covenant Compliance, Consolidated EBITDA Percentage Requirement |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
Revolving loans | Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facilities, maximum borrowing capacity |  |  |  |  | $ 600,000,000 |  |  |  |  |  |  |  |  |
Line Of Credit Facility, Maximum Borrowing Capacity, Extended Maturity |  |  |  |  |  |  |  |  |  |  |  |  | $ 405,000,000 |
Line Of Credit Facility, Maximum Borrowing Capacity, Foreign Currency |  |  |  |  | 75,000,000 |  |  |  |  |  |  |  |  |
Revolving loans | Credit Agreement | Triggering Event One |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | 3.09% |  |  |  |  |  |  | 3.09% |  |  |  |  |  |
Revolving loans | Credit Agreement, Matures On November 7, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facilities, maximum borrowing capacity |  |  |  |  | 195,000,000 |  |  |  |  |  |  |  |  |
Revolving loans | Credit Agreement, Matures On January 12, 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facilities, maximum borrowing capacity |  |  |  |  | $ 405,000,000 |  |  |  |  |  |  |  |  |
Revolving loans | Second Amendment To The Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line Of Credit Facility, Increase Limit |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,200,000,000
Revolving loans | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fee, percentage |  |  |  |  | 0.20% |  |  |  |  |  |  |  |  |
Revolving loans | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment fee, percentage |  |  |  |  | 0.35% |  |  |  |  |  |  |  |  |
Revolving loans | LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  | 1.25% |  |  |  |  |  |
Revolving loans | LIBOR | Credit Agreement | Triggering Event One |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate | 2.36% |  |  |  |  |  |  |  |  |  |  |  |  |
Revolving loans | One Month LIBOR |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  | 1.25% |  |  |  |  |
Letter of Credit |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fronting fee for each letter of credit issued, percentage |  |  |  |  | 0.125% |  |  |  |  |  |  |  |  |
Facilities, amount outstanding | $ 0 |  |  |  |  |  |  | $ 0 |  |  |  |  |  |
Letter of Credit | Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facilities, maximum borrowing capacity |  |  |  |  | $ 40,000,000 |  |  |  |  |  |  |  |  |
Swingline Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facilities, amount outstanding | 0 |  |  |  |  |  |  | 0 |  |  |  |  |  |
Revolving Loans and Non US Dollars LC |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facilities, amount outstanding | $ 0 |  |  |  |  |  |  | $ 0 |  |  |  |  |  |
Bridge Loan | Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facilities, maximum borrowing capacity |  |  |  |  | $ 25,000,000 |  |  |  |  |  |  |  |  |

X
- Definition Class Of Warrant Or Right And Debt Instrument, Net Cash Premium + References No definition available. + Details
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Namespace Prefix: | smtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition Conversion Price Percentage, Fundamental Change Repurchase + References No definition available. + Details
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Namespace Prefix: | smtc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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- Definition Debt Hedged by Interest Rate Derivatives + References No definition available. + Details
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Namespace Prefix: | smtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Debt Instrument, Covenant, Leverage Ratio, Maximum + References No definition available. + Details
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Namespace Prefix: | smtc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition Debt Instrument, Covenant, Leverage Ratio, Maximum, Increase Limit + References No definition available. + Details
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Namespace Prefix: | smtc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition Debt Instrument, Covenant, Liquidity Ratio Required, Minimum + References No definition available. + Details
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Namespace Prefix: | smtc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition Debt Instrument, Face Amount, Not Subject To Redemption + References No definition available. + Details
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Namespace Prefix: | smtc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Debt Instrument, LIBOR Portion Of Fixed Rate + References No definition available. + Details
Name: | smtc_DebtInstrumentLIBORPortionOfFixedRate
Namespace Prefix: | smtc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Debt Instrument, Quarterly Amortization, Percentage + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
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