Restructuring and Severance Charges - Summary of Restructuring and Severance Costs, By Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended		13 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	Nov. 03, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	$ 1,856	$ 2,017	$ 724	$ 59	$ 4,512	$ 3,108	$ 104	$ 518	$ 4,656	$ 8,242
Executive Management Change
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									868	2,635
2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									1,063	4,352	$ 5,400
2018 Plan | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									803	1,526
2018 Plan | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									260	2,826
Exit of Customer Care Solutions Business
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									2,061
Exit of Customer Care Solutions Business | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									212
Exit of Customer Care Solutions Business | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									1,849
Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									664	1,255
Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									493	1,009
Other | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									171	246
Operating Segments | North American Staffing
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									719	932
Operating Segments | North American Staffing | Executive Management Change
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0	0
Operating Segments | North American Staffing | 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									237	829	1,100
Operating Segments | North American Staffing | 2018 Plan | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									200	401
Operating Segments | North American Staffing | 2018 Plan | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									37	428
Operating Segments | North American Staffing | Exit of Customer Care Solutions Business
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | North American Staffing | Exit of Customer Care Solutions Business | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | North American Staffing | Exit of Customer Care Solutions Business | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | North American Staffing | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									482	103
Operating Segments | North American Staffing | Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									390	103
Operating Segments | North American Staffing | Other | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									92	0
Operating Segments | International Staffing
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									510	328
Operating Segments | International Staffing | Executive Management Change
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0	0
Operating Segments | International Staffing | 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									437	0	400
Operating Segments | International Staffing | 2018 Plan | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									404	0
Operating Segments | International Staffing | 2018 Plan | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									33	0
Operating Segments | International Staffing | Exit of Customer Care Solutions Business
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | International Staffing | Exit of Customer Care Solutions Business | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | International Staffing | Exit of Customer Care Solutions Business | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | International Staffing | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									73	328
Operating Segments | International Staffing | Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									48	210
Operating Segments | International Staffing | Other | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									25	118
Operating Segments | North American MSP
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									68	145
Operating Segments | North American MSP | Executive Management Change
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0	0
Operating Segments | North American MSP | 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									14	0
Operating Segments | North American MSP | 2018 Plan | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0	0
Operating Segments | North American MSP | 2018 Plan | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									14	0
Operating Segments | North American MSP | Exit of Customer Care Solutions Business
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | North American MSP | Exit of Customer Care Solutions Business | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | North American MSP | Exit of Customer Care Solutions Business | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0
Operating Segments | North American MSP | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									54	145
Operating Segments | North American MSP | Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									0	37
Operating Segments | North American MSP | Other | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									54	108
Corporate & Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									3,359	6,837
Corporate & Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									2,100
Corporate & Other | Executive Management Change
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									868	2,635
Corporate & Other | 2018 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									375	3,523	$ 3,900
Corporate & Other | 2018 Plan | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									199	1,125
Corporate & Other | 2018 Plan | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									176	2,398
Corporate & Other | Exit of Customer Care Solutions Business
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									2,061
Corporate & Other | Exit of Customer Care Solutions Business | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									212
Corporate & Other | Exit of Customer Care Solutions Business | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									1,849
Corporate & Other | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									55	679
Corporate & Other | Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									55	659
Corporate & Other | Other | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs									$ 0	$ 20