Income Taxes - Schedule of Domestic and Foreign Components of Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands		12 Months Ended
		Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Income Tax Disclosure [Abstract]
U.S.	[1]	$ (42,806)	$ (53,243)	$ (35,209)
Foreign	[1]	168,761	160,853	157,032
Income before income taxes		$ 125,955	$ 107,610	$ 121,823

[1] The U.S. and Foreign components of income (loss) before income tax expense include the elimination of intercompany foreign dividends paid to the Company's U.S. operations.