Annual report pursuant to Section 13 and 15(d)

Restructuring and Severance Charges - Summary of Restructuring and Severance Costs, By Segment (Details)

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Restructuring and Severance Charges - Summary of Restructuring and Severance Costs, By Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Oct. 28, 2018
Jul. 29, 2018
Apr. 29, 2018
Jan. 28, 2018
Oct. 29, 2017
Jul. 30, 2017
Apr. 30, 2017
Jan. 29, 2017
Oct. 28, 2018
Oct. 29, 2017
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs $ 4,512 $ 3,108 $ 104 $ 518 $ 307 $ 249 $ 199 $ 624 $ 8,242 $ 1,379
Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                   1,301
Severance and benefit costs | Former Chief Executive Officer                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs   $ 2,600             2,635  
Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                   78
2018 Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs 4,300               4,352  
2018 Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs $ 1,500               1,526  
2018 Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 2,826  
Other Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 1,255  
Other Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 1,009  
Other Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 246  
Operating Segments | North American Staffing                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 932 382
Operating Segments | North American Staffing | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                   294
Operating Segments | North American Staffing | Severance and benefit costs | Former Chief Executive Officer                    
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                   88
Operating Segments | North American Staffing | 2018 Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 829  
Operating Segments | North American Staffing | 2018 Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 401  
Operating Segments | North American Staffing | 2018 Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 428  
Operating Segments | North American Staffing | Other Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 103  
Operating Segments | North American Staffing | Other Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 103  
Operating Segments | North American Staffing | Other Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 0  
Operating Segments | International Staffing                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 328 14
Operating Segments | International Staffing | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                   24
Operating Segments | International Staffing | Severance and benefit costs | Former Chief Executive Officer                    
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                   (10)
Operating Segments | International Staffing | 2018 Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 0  
Operating Segments | International Staffing | 2018 Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 0  
Operating Segments | International Staffing | 2018 Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 0  
Operating Segments | International Staffing | Other Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 328  
Operating Segments | International Staffing | Other Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 210  
Operating Segments | International Staffing | Other Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 118  
Operating Segments | North American MSP                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 145 0
Operating Segments | North American MSP | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                   0
Operating Segments | North American MSP | Severance and benefit costs | Former Chief Executive Officer                    
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                   0
Operating Segments | North American MSP | 2018 Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 0  
Operating Segments | North American MSP | 2018 Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 0  
Operating Segments | North American MSP | 2018 Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 0  
Operating Segments | North American MSP | Other Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 145  
Operating Segments | North American MSP | Other Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 37  
Operating Segments | North American MSP | Other Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 108  
Corporate & Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 6,837 983
Corporate & Other | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                   983
Corporate & Other | Severance and benefit costs | Former Chief Executive Officer                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 2,635  
Corporate & Other | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                   $ 0
Corporate & Other | 2018 Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 3,523  
Corporate & Other | 2018 Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 1,125  
Corporate & Other | 2018 Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 2,398  
Corporate & Other | Other Plan                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 679  
Corporate & Other | Other Plan | Severance and benefit costs                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 659  
Corporate & Other | Other Plan | Other                    
Restructuring Cost and Reserve [Line Items]                    
Restructuring and severance costs                 $ 20