Description of Business and Significant Accounting Policies - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Sep. 28, 2019	Sep. 29, 2018
Accounting Policies [Abstract]
Foreign currency translation adjustments	$ (17,395)	$ (10,540)
Cumulative change in fair value of derivative instruments	(389)	(1,439)
Accumulated other comprehensive loss	$ (17,784)	$ (11,979)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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