Revenue Recognition - Schedule of Disaggregation of Revenue, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 28, 2019	Apr. 29, 2018	Apr. 28, 2019	Apr. 29, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 252,070	$ 263,219	$ 505,506	$ 516,557
Domestic
Disaggregation of Revenue [Line Items]
Revenues	222,146		448,300
International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	29,924		57,206
Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	239,406		478,139
Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	3,601		6,954
Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	3,806		7,482
Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	5,257		12,931
Operating Segments | North American Staffing
Disaggregation of Revenue [Line Items]
Revenues	208,871	218,090	420,719	424,325
Operating Segments | North American Staffing | Domestic
Disaggregation of Revenue [Line Items]
Revenues	208,049		419,157
Operating Segments | North American Staffing | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	822		1,562
Operating Segments | North American Staffing | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	206,771		416,405
Operating Segments | North American Staffing | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	2,100		4,314
Operating Segments | North American Staffing | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	0		0
Operating Segments | North American Staffing | Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	0		0
Operating Segments | International Staffing
Disaggregation of Revenue [Line Items]
Revenues	28,809	31,904	55,075	61,483
Operating Segments | International Staffing | Domestic
Disaggregation of Revenue [Line Items]
Revenues	0		0
Operating Segments | International Staffing | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	28,809		55,075
Operating Segments | International Staffing | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	26,953		51,586
Operating Segments | International Staffing | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	1,179		2,042
Operating Segments | International Staffing | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	677		1,447
Operating Segments | International Staffing | Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	0		0
Operating Segments | North American MSP
Disaggregation of Revenue [Line Items]
Revenues	9,579	6,339	17,796	14,819
Operating Segments | North American MSP | Domestic
Disaggregation of Revenue [Line Items]
Revenues	9,439		17,531
Operating Segments | North American MSP | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	140		265
Operating Segments | North American MSP | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	5,776		10,385
Operating Segments | North American MSP | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	674		1,376
Operating Segments | North American MSP | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	3,129		6,035
Operating Segments | North American MSP | Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	0		0
Corporate and Other
Disaggregation of Revenue [Line Items]
Revenues	5,431	$ 7,817	13,277	$ 18,064
Corporate and Other | Domestic
Disaggregation of Revenue [Line Items]
Revenues	5,257		12,931
Corporate and Other | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	174		346
Corporate and Other | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	174		346
Corporate and Other | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	0		0
Corporate and Other | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	0		0
Corporate and Other | Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	5,257		12,931
Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(620)		(1,361)
Eliminations | Domestic
Disaggregation of Revenue [Line Items]
Revenues	(599)		(1,319)
Eliminations | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	(21)		(42)
Eliminations | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	(268)		(583)
Eliminations | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	(352)		(778)
Eliminations | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	0		0
Eliminations | Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	$ 0		$ 0