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 | |