Segment Disclosures - Summary of Sales and Segment Operating Income (Loss) by Reportable Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jan. 31, 2016	Oct. 29, 2017	Oct. 30, 2016	Nov. 01, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	$ 288,483	$ 289,924	$ 303,005	$ 313,024	$ 341,578	$ 330,625	$ 335,576	$ 326,968	$ 1,194,436	$ 1,334,747	$ 1,496,897
Cost of services	240,816	244,205	255,886	266,134	284,651	282,098	284,104	281,400	1,007,041	1,132,253	1,268,363
Gross margin	47,667	45,719	47,119	46,890	56,927	48,527	51,472	45,568	187,395	202,494	228,534
Expenses
Selling, administrative and other operating costs	50,138	46,931	51,171	48,890	50,636	49,543	51,128	52,623	197,130	203,930	231,033
Restructuring and severance costs	307	249	199	624	1,181	970	840	2,761	1,379	5,752	3,635
Gain from divestitures	(48,033)	0	(3,938)	0	0	0	(1,663)	0	(51,971)	(1,663)	0
Settlement and impairment charges	1,404	0	290	0	364	0	0	0	1,694	364	6,626
OPERATING INCOME (LOSS)	43,851	(1,461)	(603)	(2,624)	4,746	(1,986)	1,167	(9,816)	39,163	(5,889)	(12,760)
Other income (expense), net									(6,950)	(6,506)	(2,380)
Income tax provision	2,458	1,074	(767)	623	138	393	1,091	553	3,388	2,175	4,646
INCOME (LOSS) FROM CONTINUING OPERATIONS	39,774	(5,518)	(854)	(4,577)	$ 2,787	$ (4,610)	$ (1,785)	$ (10,962)	28,825	(14,570)	(19,786)
Loss from discontinued operations, net of income taxes	(1,693)	0	0	0					(1,693)	0	(4,834)
NET INCOME (LOSS)	$ 38,081	$ (5,518)	$ (854)	$ (4,577)					27,132	(14,570)	(24,620)
Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE									(6,458)	(12,452)	(14,907)
Cost of services									(6,458)	(12,452)	(14,907)
Gross margin									0	0	0
Expenses
Selling, administrative and other operating costs									0	0	0
Restructuring and severance costs									0	0	0
Gain from divestitures									0	0
Settlement and impairment charges									0	0	0
OPERATING INCOME (LOSS)									0	0	0
Operating Segments | North American Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE									919,260	994,346	1,059,847
Cost of services									782,405	847,483	907,422
Gross margin									136,855	146,863	152,425
Expenses
Selling, administrative and other operating costs									119,320	122,576	131,277
Restructuring and severance costs									382	1,117	705
Gain from divestitures									0	0
Settlement and impairment charges									0	0	1,900
OPERATING INCOME (LOSS)									17,153	23,170	18,543
Operating Segments | International Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE									119,762	131,496	147,649
Cost of services									101,064	112,035	127,699
Gross margin									18,698	19,461	19,950
Expenses
Selling, administrative and other operating costs									15,836	16,402	18,990
Restructuring and severance costs									14	702	357
Gain from divestitures									0	0
Settlement and impairment charges									0	0	0
OPERATING INCOME (LOSS)									2,848	2,357	603
Operating Segments | Technology Outsourcing Services and Solutions
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE									100,847	106,585	135,886
Cost of services									80,358	87,731	108,309
Gross margin									20,489	18,854	27,577
Expenses
Selling, administrative and other operating costs									14,496	13,029	15,545
Restructuring and severance costs									39	327
Gain from divestitures									0	0
Settlement and impairment charges									0	0	0
OPERATING INCOME (LOSS)									5,954	5,498	12,032
Operating Segments | Corporate & Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE									61,025	114,772	168,422
Cost of services									49,672	97,456	139,840
Gross margin									11,353	17,316	28,582
Expenses
Selling, administrative and other operating costs									47,478	51,923	65,221
Restructuring and severance costs									944	3,606	2,573
Gain from divestitures									(51,971)	(1,663)
Settlement and impairment charges									1,694	364	4,726
OPERATING INCOME (LOSS)									$ 13,208	$ (36,914)	$ (43,938)