Debt - Schedule of Remained Outstanding on Term Loans (Detail) - USD ($) $ in Thousands	Oct. 02, 2020	Sep. 27, 2019
Debt Instrument [Line Items]
Unamortized deferred financing costs	$ (5,100)
Current portion	6,885	$ 6,885
Long-term, less current portion	652,172	655,272
Term Loans
Debt Instrument [Line Items]
Principal balance	666,087	672,971
Unamortized discount	(2,205)	(3,414)
Unamortized deferred financing costs	(4,825)	(7,400)
Total term loans	659,057	662,157
Current portion	6,885	6,885
Long-term, less current portion	$ 652,172	$ 655,272

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.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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