Segment Data - Summary of Sales and Segment Operating Income (Loss) by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Jul. 28, 2019	Apr. 28, 2019	Jan. 27, 2019	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Jul. 28, 2019	Jul. 29, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	$ 233,176			$ 257,808			$ 738,682	$ 774,365
Cost of services	197,528			221,448			629,078	664,695
GROSS MARGIN	35,648			36,360			109,604	109,670
Selling, administrative and other operating costs	38,395			42,222			117,144	132,076
Restructuring and severance costs	2,017			3,108			2,800	3,730
Impairment charge	79			0			426	155
Operating income (loss)	(4,843)			(8,970)			(10,766)	(26,291)
Other income (expense), net	(1,049)			(1,142)			(3,000)	(2,932)
Income tax provision	165			1,306			671	576
NET LOSS	(6,057)	$ (5,165)	$ (3,215)	(11,418)	$ (7,687)	$ (10,694)	(14,437)	(29,799)
Operating Segments | North American Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	193,641			215,679			614,360	640,004
Cost of services	164,809			184,724			526,172	551,011
GROSS MARGIN	28,832			30,955			88,188	88,993
Selling, administrative and other operating costs	24,346			27,971			77,063	85,055
Restructuring and severance costs	121			23			329	32
Impairment charge	0						0	0
Operating income (loss)	4,365			2,961			10,796	3,906
Operating Segments | International Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	28,728			28,579			83,803	90,062
Cost of services	24,181			23,917			70,414	76,094
GROSS MARGIN	4,547			4,662			13,389	13,968
Selling, administrative and other operating costs	4,023			3,944			11,659	12,231
Restructuring and severance costs	182			41			456	340
Impairment charge	0						0	0
Operating income (loss)	342			677			1,274	1,397
Operating Segments | North American MSP
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	9,555			6,959			27,351	21,778
Cost of services	7,053			5,400			20,157	16,659
GROSS MARGIN	2,502			1,559			7,194	5,119
Selling, administrative and other operating costs	1,382			1,414			3,941	4,213
Restructuring and severance costs	0			38			68	117
Impairment charge	0						0	0
Operating income (loss)	1,120			107			3,185	789
Corporate and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	1,856			7,456			15,133	25,520
Cost of services	2,089			8,272			14,300	23,930
GROSS MARGIN	(233)			(816)			833	1,590
Selling, administrative and other operating costs	8,644			8,893			24,481	30,577
Restructuring and severance costs	1,714			3,006			1,947	3,241
Impairment charge	79						426	155
Operating income (loss)	(10,670)			(12,715)			(26,021)	(32,383)
Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	(604)			(865)			(1,965)	(2,999)
Cost of services	(604)			(865)			(1,965)	(2,999)
GROSS MARGIN	0			0			0	0
Selling, administrative and other operating costs	0			0			0	0
Restructuring and severance costs	0			0			0	0
Impairment charge				0			0	0
Operating income (loss)	$ 0			$ 0			$ 0	$ 0