Segment Data - Summary of Sales and Segment Operating Income (Loss) by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jan. 27, 2019	Jan. 28, 2018	Oct. 28, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	$ 253,436	$ 253,338
Cost of services	215,737	217,329
GROSS MARGIN	37,699	36,009
Selling, administrative and other operating costs	39,810	46,938
Restructuring and severance costs	59	518	$ 500
Operating income (loss)	(2,170)	(11,447)
Other income (expense), net	(772)	(607)
Income tax provision (benefit)	273	(1,360)
NET LOSS	(3,215)	(10,694)
Operating Segments | North American Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	211,848	206,235
Cost of services	181,685	178,358
GROSS MARGIN	30,163	27,877
Selling, administrative and other operating costs	26,278	28,498
Restructuring and severance costs	(2)	5
Operating income (loss)	3,887	(626)
Operating Segments | International Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	26,266	29,579
Cost of services	22,138	25,077
GROSS MARGIN	4,128	4,502
Selling, administrative and other operating costs	3,742	4,372
Restructuring and severance costs	82	228
Operating income (loss)	304	(98)
Operating Segments | North American MSP
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	8,217	8,480
Cost of services	5,918	6,761
GROSS MARGIN	2,299	1,719
Selling, administrative and other operating costs	1,307	1,402
Restructuring and severance costs	27	52
Operating income (loss)	965	265
Corporate and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	7,846	10,247
Cost of services	6,737	8,336
GROSS MARGIN	1,109	1,911
Selling, administrative and other operating costs	8,483	12,666
Restructuring and severance costs	(48)	233
Operating income (loss)	(7,326)	(10,988)
Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	(741)	(1,203)
Cost of services	(741)	(1,203)
GROSS MARGIN	0	0
Selling, administrative and other operating costs	0	0
Restructuring and severance costs	0	0
Operating income (loss)	$ 0	$ 0