Assets and Liabilities Held for Sale (Details) - Information Technology Infrastructure Support Service - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Nov. 01, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of assets		$ 700
Loss on disposal of discontinued operations	$ 100
Assets included as part of continuing operations
Cash and cash equivalents	1,153	1,537
Trade accounts receivable, net	15,149	15,671
Recoverable income taxes	23	165
Prepaid insurance and other assets	4,411	4,886
Property, equipment and software, net	164	189
Purchased intangible assets	495	495
Total major classes of assets of discontinued operations - Computer Systems	21,395	22,943
Liabilities included as part of continuing operations
Accrued compensation	2,561	3,509
Accounts payable	1,290	1,387
Accrued taxes other than income taxes	1,034	1,165
Accrued insurance and other	597	523
Deferred revenue	1,190	761
Total major classes of liabilities of discontinued operations - Computer Systems	$ 6,672	$ 7,345