Discontinued Operations (Details) (USD $)	0 Months Ended	3 Months Ended
	Dec. 01, 2014	Feb. 01, 2015	Nov. 02, 2014	Nov. 03, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deferred tax assets			$ 6,225,000	$ 3,914,000
Deferred tax liabilities			1,786,000	4,170,000
Computer Systems Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deferred tax assets			6,842,000	7,012,000
Deferred tax liabilities			3,834,000	4,301,000
Subsequent Event | Computer Systems Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Interest rate	0.50%
Payment term	4 years
Capital interest percentage	20.00%
Payment to acquire note receivable		4,000,000
Payment term		45 days
Working capital	6,000,000
Severance costs related to disposal		1,600,000
NewNet Communication Technologies, LLC | Subsequent Event | Computer Systems Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Note receivable	$ 10,000,000