Income Taxes - Schedule of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Current:
Federal	$ 15,160	$ 63,814	$ 78
State	0	234	33
Foreign	11,943	10,134	10,016
Current Total	27,103	74,182	10,127
Deferred:
Federal	(3,498)	(2,958)	77
State	827	(447)	38
Foreign	(7,093)	23,793	(481)
Deferred Total	(9,764)	20,388	(366)
Income Tax Expense (Benefit)	$ 17,339	$ 94,570	$ 9,761