Assets and Liabilities Held for Sale (Details) - Information Technology Infrastructure Support Service - USD ($) $ in Thousands	1 Months Ended
	Oct. 31, 2015	Nov. 01, 2015	Nov. 02, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of assets	$ 700
Assets included as part of continuing operations
Cash and cash equivalents		$ 1,537	$ 2,382
Trade accounts receivable, net		15,671	17,150
Recoverable income taxes		165	140
Prepaid insurance and other assets		4,886	6,009
Property, equipment and software, net		189	748
Purchased intangible assets		495	1,549
Total major classes of assets of discontinued operations - Computer Systems		22,943	27,978
Other assets included in the disposal group classified as held for sale - Maintech and Lakyfor, S.A.		0	24,220
Total assets of the disposal group classified as held for sale in the Consolidated Balance Sheets		22,943	52,198
Liabilities included as part of continuing operations
Accrued compensation		3,509	3,511
Accounts payable		1,387	1,557
Accrued taxes other than income taxes		1,165	1,114
Accrued insurance and other		523	1,379
Deferred revenue		761	1,700
Total major classes of liabilities of discontinued operations - Computer Systems		7,345	9,261
Other liabilities included in the disposal group classified as held for sale - Maintech and Lakyfor, S.A.		0	19,126
Total liabilities of the disposal group classified as held for sale in the Consolidated Balance Sheets		$ 7,345	$ 28,387