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Investments - Summary of Available for Sale Investments (Details) - USD ($) $ in Thousands	Jul. 02, 2021	Oct. 02, 2020
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 164,694	$ 203,518
Gross Unrealized Holding Gains	195	540
Gross Unrealized Holding Losses	123	347
Aggregate Fair Value	164,766	203,711
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	60,318	68,605
Gross Unrealized Holding Gains	162	348
Gross Unrealized Holding Losses	118	333
Aggregate Fair Value	60,362	68,620
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	104,376	134,913
Gross Unrealized Holding Gains	33	192
Gross Unrealized Holding Losses	5	14
Aggregate Fair Value	$ 104,404	$ 135,091

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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