Discontinued Operations - Statements of Operations (Details) - Discontinued Operations, Disposed of by Sale $ in Thousands	12 Months Ended
	Oct. 29, 2017 USD ($)
Loss from discontinued operations
Net revenue	$ 0
Cost of services	0
Selling, administrative and other operating costs	0
Other (income) expense, net	0
Loss from discontinued operations	0
Loss on disposal of discontinued operations	(1,693)
Loss from discontinued operations before income taxes	(1,693)
Income tax provision	0
Loss from discontinued operations that is presented in the Consolidated Statements of Operations	$ (1,693)