XML 53 R41.htm IDEA: XBRL DOCUMENT
v3.20.4

Debt - Additional Information (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Jan. 02, 2021 USD ($) | Oct. 03, 2020 USD ($)
Debt Instrument [Line Items] |  |
Fixed charge ratio, covenant one | 1.0 |
Fixed charge ratio, covenant two | 1.15 |
Credit Facility |  |
Debt Instrument [Line Items] |  |
Maximum borrowing capacity | $ 80.0 |
Credit Facility | Letter of Credit |  |
Debt Instrument [Line Items] |  |
Unused borrowing capacity | $ 0.1 | $ 0.5
LIBOR |  |
Debt Instrument [Line Items] |  |
Interest rate, spread on variable rate | 2.25% |
LIBOR | Credit Facility |  |
Debt Instrument [Line Items] |  |
Interest rate, spread on variable rate | 2.50% |

X
- Definition Debt Instrument, Fixed Charge Ratio, Covenant One1 + References No definition available. + Details
Name: | sono_DebtInstrumentFixedChargeRatioCovenantOne1
Namespace Prefix: | sono_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Fixed Charge Ratio, Covenant Two + References No definition available. + Details
Name: | sono_DebtInstrumentFixedChargeRatioCovenantTwo
Namespace Prefix: | sono_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |