Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
	Dec. 01, 2014	Nov. 01, 2015	Aug. 02, 2015	May. 03, 2015	Feb. 01, 2015	Nov. 02, 2014	Aug. 03, 2014	May. 04, 2014	Feb. 02, 2014	Nov. 01, 2015	Nov. 02, 2014	Nov. 03, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring costs		$ 542	$ 1,867	$ 251	$ 975	$ 710	$ 141	$ 999	$ 657	$ 3,635	$ 2,507	$ 781
Deferred tax assets		6,413				6,230				6,413	6,230
Deferred tax liabilities		1,225				1,877				1,225	1,877
Computer Systems Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deferred tax assets						6,842					6,842
Deferred tax liabilities						$ 3,834					$ 3,834
Computer Systems Segment | NewNet Communication Technologies, LLC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Note receivable	$ 10,000
Interest rate	0.50%
Payment term	4 years
Capital interest percentage	20.00%
Payment to acquire note receivable	$ 4,000
Payment term	45 days
Working capital	$ 6,000
Loss on disposal										1,500
Restructuring costs										2,200
Payments for restructuring										2,000
Computer Systems Segment | NewNet Communication Technologies, LLC | Accrued Insurance and Other
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring reserve		$ 200								200
Computer Systems Segment | NewNet Communication Technologies, LLC | Severance
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring costs										900
Computer Systems Segment | NewNet Communication Technologies, LLC | Professional Fees
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring costs										900
Computer Systems Segment | NewNet Communication Technologies, LLC | Lease Obligation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Restructuring costs										400
Computer Systems Segment | NewNet Communication Technologies, LLC | Notes Receivable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loan receivable fair value	$ 8,400
Amortization period	4 years
Effective interest rate	5.10%
Unamortized discount	$ 1,300
Interest income										$ 400