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Debt - Additional Information (Details) $ in Millions | 9 Months Ended |
--- | --- | ---
Jun. 27, 2020 USD ($) | Sep. 28, 2019 USD ($)
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 | $ 0.5 | $ 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% |

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- Definition Debt Instrument, Fixed Charge Ratio, Covenant One1 + References No definition available. + Details
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- Definition Debt Instrument, Fixed Charge Ratio, Covenant Two + References No definition available. + Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- 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
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- 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
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