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Intangible Assets - Summary of Activity in Intangible Assets and Goodwill (Details) $ in Thousands	9 Months Ended
	Jul. 02, 2021 USD ($)
Goodwill and Intangible Assets [Roll Forward]
Beginning Balance	$ 428,704
Currency translation adjustment	0
Intangible Assets, Net (Including Goodwill)	314,338
Ending Balance	428,704
Goodwill [Roll Forward]
Balance at beginning of period	315,012
Currency translation adjustment	(674)
Balance at end of period	314,338
Trade Names
Indefinite Lived Intangible Assets Rollforward [Roll Forward]
Beginning Balance	3,400
Currency translation adjustment	0
Ending Balance	3,400
Developed technology
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	179,434
Currency translation adjustment	0
Ending Balance	179,434
Customer relationships
Finite-lived Intangible Assets [Roll Forward]
Beginning Balance	245,870
Currency translation adjustment	0
Ending Balance	$ 245,870

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Goodwill and Intangible Assets [Roll Forward]

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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