Discontinued Operations - Statements of Operations (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended		6 Months Ended
	Dec. 01, 2014	May 03, 2015	May 04, 2014	May 03, 2015	May 04, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other income (expense), net		$ (43)	$ (216)	$ (141)	$ (278)
Total loss from discontinued operations		0	(4,876)	(4,519)	(9,268)
Computer Systems Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenue		0	15,405	4,708	30,925
Cost of revenue		0	14,590	5,730	27,735
Selling, administrative and other operating costs		0	5,125	1,388	10,618
Restructuring and other related costs	2,200	0	(81)	1,709	623
Other income (expense), net		0	546	(978)	1,114
Loss from discontinued operations		0	(4,775)	(3,141)	(9,165)
Loss on disposal of discontinued operations		0	0	(1,187)	0
Total loss from discontinued operations		0	(4,775)	(4,328)	(9,165)
Income tax provision		0	101	191	103
Total loss from discontinued operations that is presented in the Condensed Consolidated Statements of Operations		$ 0	$ (4,876)	$ (4,519)	$ (9,268)