Discontinued Operations - Statements of Operations (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Dec. 01, 2014	Aug. 02, 2015	Aug. 03, 2014	Aug. 02, 2015	Aug. 03, 2014
Loss from discontinued operations
Other (income) expense, net		$ 178	$ 8	$ 37	$ (270)
Total loss from discontinued operations		0	(3,885)	(4,519)	(13,153)
Computer Systems Segment
Loss from discontinued operations
Net revenue		0	14,322	4,708	45,247
Cost of revenue		0	13,572	5,730	41,307
Selling, administrative and other operating costs		0	4,519	1,388	15,137
Restructuring and other related costs	$ 2,200	0	(25)	1,709	598
Other (income) expense, net		0	289	(978)	1,403
Loss from discontinued operations		0	(4,033)	(3,141)	(13,198)
Loss on disposal of discontinued operations		0	0	(1,187)	0
Total loss from discontinued operations		0	(4,033)	(4,328)	(13,198)
Income tax provision (benefit)		0	(148)	191	(45)
Total loss from discontinued operations that is presented in the Condensed Consolidated Statements of Operations		$ 0	$ (3,885)	$ (4,519)	$ (13,153)