Revenue Recognition - Schedule of Disaggregation of Revenue, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Nov. 01, 2020	Aug. 02, 2020	May 03, 2020	Feb. 02, 2020	Nov. 03, 2019	Jul. 28, 2019	Apr. 28, 2019	Jan. 27, 2019	Nov. 01, 2020	Nov. 03, 2019
Disaggregation of Revenue [Line Items]
Net revenue	$ 211,073	$ 185,941	$ 207,275	$ 217,766	$ 258,408	$ 233,176	$ 252,070	$ 253,436	$ 822,055	$ 997,090
Domestic
Disaggregation of Revenue [Line Items]
Net revenue									722,985	878,095
International
Disaggregation of Revenue [Line Items]
Net revenue									99,070	118,995
Staffing Services
Disaggregation of Revenue [Line Items]
Net revenue									791,163	950,595
Direct Placement Services
Disaggregation of Revenue [Line Items]
Net revenue									11,820	14,880
Managed Service Programs
Disaggregation of Revenue [Line Items]
Net revenue									19,072	17,023
Call Center Services
Disaggregation of Revenue [Line Items]
Net revenue										14,592
Operating Segments | North American Staffing
Disaggregation of Revenue [Line Items]
Net revenue									689,095	830,947
Operating Segments | North American Staffing | Domestic
Disaggregation of Revenue [Line Items]
Net revenue									686,252	827,641
Operating Segments | North American Staffing | International
Disaggregation of Revenue [Line Items]
Net revenue									2,843	3,306
Operating Segments | North American Staffing | Staffing Services
Disaggregation of Revenue [Line Items]
Net revenue									683,635	822,550
Operating Segments | North American Staffing | Direct Placement Services
Disaggregation of Revenue [Line Items]
Net revenue									5,460	8,397
Operating Segments | North American Staffing | Managed Service Programs
Disaggregation of Revenue [Line Items]
Net revenue									0	0
Operating Segments | North American Staffing | Call Center Services
Disaggregation of Revenue [Line Items]
Net revenue										0
Operating Segments | International Staffing
Disaggregation of Revenue [Line Items]
Net revenue									95,308	114,377
Operating Segments | International Staffing | Domestic
Disaggregation of Revenue [Line Items]
Net revenue									0	0
Operating Segments | International Staffing | International
Disaggregation of Revenue [Line Items]
Net revenue									95,308	114,377
Operating Segments | International Staffing | Staffing Services
Disaggregation of Revenue [Line Items]
Net revenue									83,308	105,815
Operating Segments | International Staffing | Direct Placement Services
Disaggregation of Revenue [Line Items]
Net revenue									3,703	4,600
Operating Segments | International Staffing | Managed Service Programs
Disaggregation of Revenue [Line Items]
Net revenue									8,297	3,962
Operating Segments | International Staffing | Call Center Services
Disaggregation of Revenue [Line Items]
Net revenue										0
Operating Segments | North American MSP
Disaggregation of Revenue [Line Items]
Net revenue									37,915	39,010
Operating Segments | North American MSP | Domestic
Disaggregation of Revenue [Line Items]
Net revenue									37,582	38,337
Operating Segments | North American MSP | International
Disaggregation of Revenue [Line Items]
Net revenue									333	673
Operating Segments | North American MSP | Staffing Services
Disaggregation of Revenue [Line Items]
Net revenue									24,483	22,987
Operating Segments | North American MSP | Direct Placement Services
Disaggregation of Revenue [Line Items]
Net revenue									2,657	2,962
Operating Segments | North American MSP | Managed Service Programs
Disaggregation of Revenue [Line Items]
Net revenue									10,775	13,061
Operating Segments | North American MSP | Call Center Services
Disaggregation of Revenue [Line Items]
Net revenue										0
Corporate and Other
Disaggregation of Revenue [Line Items]
Net revenue									674	15,320
Corporate and Other | Domestic
Disaggregation of Revenue [Line Items]
Net revenue									0	14,592
Corporate and Other | International
Disaggregation of Revenue [Line Items]
Net revenue									674	728
Corporate and Other | Staffing Services
Disaggregation of Revenue [Line Items]
Net revenue									674	728
Corporate and Other | Direct Placement Services
Disaggregation of Revenue [Line Items]
Net revenue									0	0
Corporate and Other | Managed Service Programs
Disaggregation of Revenue [Line Items]
Net revenue									0	0
Corporate and Other | Call Center Services
Disaggregation of Revenue [Line Items]
Net revenue										14,592
Eliminations
Disaggregation of Revenue [Line Items]
Net revenue									(937)	(2,564)
Eliminations | Domestic
Disaggregation of Revenue [Line Items]
Net revenue									(849)	(2,475)
Eliminations | International
Disaggregation of Revenue [Line Items]
Net revenue									(88)	(89)
Eliminations | Staffing Services
Disaggregation of Revenue [Line Items]
Net revenue									(937)	(1,485)
Eliminations | Direct Placement Services
Disaggregation of Revenue [Line Items]
Net revenue									0	(1,079)
Eliminations | Managed Service Programs
Disaggregation of Revenue [Line Items]
Net revenue									$ 0	0
Eliminations | Call Center Services
Disaggregation of Revenue [Line Items]
Net revenue										$ 0