Segment Disclosures - Summary of Sales and Segment Operating Income (Loss) by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Nov. 03, 2019	Jul. 28, 2019	Apr. 28, 2019	Jan. 27, 2019	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Nov. 03, 2019	Oct. 28, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue	$ 258,408	$ 233,176	$ 252,070	$ 253,436	$ 264,805	$ 257,808	$ 263,219	$ 253,338	$ 997,090	$ 1,039,170
Cost of services	215,449	197,528	215,813	215,737	220,797	221,448	225,918	217,329	844,527	885,492
GROSS MARGIN	42,959	35,648	36,257	37,699	44,008	36,360	37,301	36,009	152,563	153,678
Selling, administrative and other operating costs									157,052	173,337
Restructuring and severance costs	1,856	2,017	724	59	4,512	3,108	104	518	4,656	8,242
Impairment charges	262	79	347	0	351	0	155	0	688	506
Operating income (loss)	933	(4,843)	(3,753)	(2,170)	(2,116)	(8,970)	(5,874)	(11,447)	(9,833)	(28,407)
Other income (expense), net									(4,375)	(3,320)
Income tax provision	307	165	233	273	382	1,306	630	(1,360)	978	958
NET LOSS	$ (749)	$ (6,057)	$ (5,165)	$ (3,215)	$ (2,886)	$ (11,418)	$ (7,687)	$ (10,694)	(15,186)	(32,685)
Operating Segments | North American Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									830,947	860,544
Cost of services									708,824	735,050
GROSS MARGIN									122,123	125,494
Selling, administrative and other operating costs									103,437	112,459
Restructuring and severance costs									719	932
Impairment charges									4	0
Operating income (loss)									17,963	12,103
Operating Segments | International Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									114,377	117,351
Cost of services									95,552	98,640
GROSS MARGIN									18,825	18,711
Selling, administrative and other operating costs									15,422	15,986
Restructuring and severance costs									510	328
Impairment charges									0	0
Operating income (loss)									2,893	2,397
Operating Segments | North American MSP
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									39,010	29,986
Cost of services									28,324	22,637
GROSS MARGIN									10,686	7,349
Selling, administrative and other operating costs									5,595	5,571
Restructuring and severance costs									68	145
Impairment charges									0	0
Operating income (loss)									5,023	1,633
Corporate & Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									15,320	35,228
Cost of services									14,391	33,104
GROSS MARGIN									929	2,124
Selling, administrative and other operating costs									32,598	39,321
Restructuring and severance costs									3,359	6,837
Impairment charges									684	506
Operating income (loss)									(35,712)	(44,540)
Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									(2,564)	(3,939)
Cost of services									(2,564)	(3,939)
GROSS MARGIN									0	0
Selling, administrative and other operating costs									0	0
Restructuring and severance costs									0	0
Impairment charges									0	0
Operating income (loss)									$ 0	$ 0