Restructuring and Severance Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		14 Months Ended
	Jul. 30, 2017	Jul. 31, 2016	Jul. 30, 2017	Jul. 31, 2016	Jan. 29, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	$ 249	$ 970	$ 1,072	$ 4,571	$ 6,800
Restructuring Reserve [Roll Forward]
Beginning balance			1,653
Charged to expense			1,072
Cash payments			(2,111)
Ending balance	614		614
Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	211		998
Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	38		74
Operating Segments | North American Staffing
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	75		215		1,300
Operating Segments | North American Staffing | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	34		131
Operating Segments | North American Staffing | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	41		84
Operating Segments | International Staffing
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	4		14		700
Operating Segments | International Staffing | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	7		24
Operating Segments | International Staffing | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	(3)		(10)
Operating Segments | Technology Outsourcing Services and Solutions
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	2		39		400
Operating Segments | Technology Outsourcing Services and Solutions | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	2		39
Operating Segments | Technology Outsourcing Services and Solutions | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	0		0
Corporate and Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	168		804		$ 4,400
Corporate and Other | Severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	168		804
Corporate and Other | Other
Restructuring Cost and Reserve [Line Items]
Restructuring and severance costs	$ 0		$ 0