Segment Data - Sales and Segment Operating Income (Loss) by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	May 02, 2021	Jan. 31, 2021	May 03, 2020	Feb. 02, 2020	May 02, 2021	May 03, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	$ 222,092		$ 207,275		$ 440,050	$ 425,041
Cost of services	185,613		175,038		370,889	361,377
GROSS MARGIN	36,479		32,237		69,161	63,664
Selling, administrative and other operating costs	32,950		36,189		66,697	75,686
Restructuring and severance costs	595		411		1,227	1,657
Impairment charges	261		0		292	11
OPERATING INCOME (LOSS)	2,673		(4,363)		945	(13,690)
Other income (expense), net	(506)		(1,039)		(897)	(2,325)
Income tax provision	288		23		615	218
NET INCOME (LOSS)	1,879	$ (2,446)	(5,425)	$ (10,808)	(567)	(16,233)
Operating Segments | North American Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	184,295		173,386		368,511	355,781
Cost of services	154,871		147,423		312,507	304,817
GROSS MARGIN	29,424		25,963		56,004	50,964
Selling, administrative and other operating costs	19,870		23,043		40,516	47,852
Restructuring and severance costs	83		344		(158)	426
Impairment charges	0				0	11
OPERATING INCOME (LOSS)	9,471		2,576		15,646	2,675
Operating Segments | International Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	27,880		24,303		51,893	50,526
Cost of services	22,688		20,282		42,539	42,312
GROSS MARGIN	5,192		4,021		9,354	8,214
Selling, administrative and other operating costs	4,086		3,714		7,874	7,533
Restructuring and severance costs	9		111		1	111
Impairment charges	0				0	0
OPERATING INCOME (LOSS)	1,097		196		1,479	570
Operating Segments | North American MSP
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	9,832		9,745		19,501	19,114
Cost of services	8,018		7,582		15,802	14,837
GROSS MARGIN	1,814		2,163		3,699	4,277
Selling, administrative and other operating costs	1,497		1,672		2,850	3,032
Restructuring and severance costs	8		0		8	0
Impairment charges	0				0	0
OPERATING INCOME (LOSS)	309		491		841	1,245
Corporate and Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	117		187		236	390
Cost of services	68		97		132	181
GROSS MARGIN	49		90		104	209
Selling, administrative and other operating costs	7,497		7,760		15,457	17,269
Restructuring and severance costs	495		(44)		1,376	1,120
Impairment charges	261				292	0
OPERATING INCOME (LOSS)	(8,204)		(7,626)		(17,021)	(18,180)
Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
NET REVENUE	(32)		(346)		(91)	(770)
Cost of services	(32)		(346)		(91)	(770)
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 charges	0				0	0
OPERATING INCOME (LOSS)	$ 0		$ 0		$ 0	$ 0