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Debt - Schedule of Remaining Outstanding Balances on Term Loans (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jul. 02, 2021 | Oct. 02, 2020
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 25.00% |
Principal Balance |  |
Long-term debt | $ 570,766 | $ 666,087
Less: Current portion of long term debt | 0 | 6,885
Total long-term debt | 488,043 | 652,172
Term Loans |  |
Principal Balance |  |
Less: Current portion of long term debt | $ 0 | 6,885
Long-term Debt |  |
Debt Instrument [Line Items] |  |
Basis spread on variable rate | 2.25% |
Principal Balance |  |
Long-term debt | $ 120,766 | 666,087
Less: Unamortized discount on term loans and deferred financing costs | $ (5,927) | $ (7,030)
Effective Interest Rate |  |
Effective interest rate | 2.34% | 2.40%
Convertible Debt |  |
Principal Balance |  |
Long-term debt | $ 450,000 | $ 0
Less: Unamortized discount on term loans and deferred financing costs | $ (76,796) | $ 0
Effective Interest Rate |  |
Effective interest rate | 4.25% | 0.00%

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120520924&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: 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)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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