Restructuring and Severance Charges (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jan. 31, 2016	Oct. 29, 2017	Oct. 30, 2016	Nov. 01, 2015
Restructuring Reserve [Roll Forward]
Beginning Balance				$ 1,653				$ 0	$ 1,653	$ 0
Charged to expense	$ 307	$ 249	$ 199	$ 624	$ 1,181	$ 970	$ 840	$ 2,761	1,379	5,752	$ 3,635
Cash payments									(2,735)	(4,099)
Ending Balance	297				$ 1,653				297	1,653	0
Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Cost incurred to date	7,100								7,100
Restructuring Reserve [Roll Forward]
Charged to expense									1,301	5,373
Other
Restructuring Reserve [Roll Forward]
Charged to expense									78	379
Operating Segments | North American Staffing
Restructuring Reserve [Roll Forward]
Charged to expense									382	1,117	705
Operating Segments | North American Staffing | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Cost incurred to date	1,500								1,500
Restructuring Reserve [Roll Forward]
Charged to expense									294	995
Operating Segments | North American Staffing | Other
Restructuring Reserve [Roll Forward]
Charged to expense									88	122
Operating Segments | International Staffing
Restructuring Reserve [Roll Forward]
Charged to expense									14	702	$ 357
Operating Segments | International Staffing | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Cost incurred to date	700								700
Restructuring Reserve [Roll Forward]
Charged to expense									24	445
Operating Segments | International Staffing | Other
Restructuring Reserve [Roll Forward]
Charged to expense									(10)	257
Operating Segments | Technology Outsourcing Services and Solutions
Restructuring Reserve [Roll Forward]
Charged to expense									39	327
Operating Segments | Technology Outsourcing Services and Solutions | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Cost incurred to date	400								400
Restructuring Reserve [Roll Forward]
Charged to expense									39	327
Operating Segments | Technology Outsourcing Services and Solutions | Other
Restructuring Reserve [Roll Forward]
Charged to expense									0	0
Corporate & Other
Restructuring Reserve [Roll Forward]
Charged to expense									944	3,606
Corporate & Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Cost incurred to date	$ 4,500								4,500
Restructuring Reserve [Roll Forward]
Charged to expense									944	3,606
Corporate & Other | Other
Restructuring Reserve [Roll Forward]
Charged to expense									$ 0	$ 0