Income Taxes - Schedule of Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Nov. 03, 2019	Jul. 28, 2019	Apr. 28, 2019	Jan. 27, 2019	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Nov. 03, 2019	Oct. 28, 2018
Income Tax Disclosure [Abstract]
U.S. Federal statutory rate									$ (2,984)	$ (7,424)
U.S. State income tax, net of U.S. Federal tax benefits									142	212
International permanent differences									95	(161)
International tax rate differentials									145	1,282
U.S. tax on international income									471	(1,136)
General business credits									(1,718)	(2,400)
Non-deductible expenses									358	64
Other, net									0	(1,108)
Change in valuation allowance for rate change									0	26,798
Change in valuation allowance for deferred tax assets									4,469	(15,169)
Income tax provision	$ 307	$ 165	$ 233	$ 273	$ 382	$ 1,306	$ 630	$ (1,360)	$ 978	$ 958