Revenue Recognition - Schedule of Disaggregation of Revenue, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 28, 2019	Jul. 29, 2018	Jul. 28, 2019	Jul. 29, 2018
Disaggregation of Revenue [Line Items]
Revenues	$ 233,176	$ 257,808	$ 738,682	$ 774,365
Domestic
Disaggregation of Revenue [Line Items]
Revenues	203,266		651,566
International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	29,910		87,116
Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	223,754		701,893
Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	3,679		10,633
Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	4,081		11,563
Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	1,662		14,593
Operating Segments | North American Staffing
Disaggregation of Revenue [Line Items]
Revenues	193,641	215,679	614,360	640,004
Operating Segments | North American Staffing | Domestic
Disaggregation of Revenue [Line Items]
Revenues	192,704		611,861
Operating Segments | North American Staffing | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	937		2,499
Operating Segments | North American Staffing | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	191,575		607,980
Operating Segments | North American Staffing | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	2,066		6,380
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	28,728	28,579	83,803	90,062
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	28,728		83,803
Operating Segments | International Staffing | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	26,704		78,290
Operating Segments | International Staffing | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	1,137		3,179
Operating Segments | International Staffing | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	887		2,334
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	9,555	6,959	27,351	21,778
Operating Segments | North American MSP | Domestic
Disaggregation of Revenue [Line Items]
Revenues	9,478		27,009
Operating Segments | North American MSP | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	77		342
Operating Segments | North American MSP | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	5,664		16,049
Operating Segments | North American MSP | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	697		2,073
Operating Segments | North American MSP | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	3,194		9,229
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	1,856	$ 7,456	15,133	$ 25,520
Corporate and Other | Domestic
Disaggregation of Revenue [Line Items]
Revenues	1,662		14,593
Corporate and Other | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	194		540
Corporate and Other | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	194		540
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	1,662		14,593
Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(604)		(1,965)
Eliminations | Domestic
Disaggregation of Revenue [Line Items]
Revenues	(578)		(1,897)
Eliminations | International, principally Europe
Disaggregation of Revenue [Line Items]
Revenues	(26)		(68)
Eliminations | Staffing Services
Disaggregation of Revenue [Line Items]
Revenues	(383)		(966)
Eliminations | Direct Placement Services
Disaggregation of Revenue [Line Items]
Revenues	(221)		(999)
Eliminations | Managed Service Programs
Disaggregation of Revenue [Line Items]
Revenues	0		0
Eliminations | Call Center Services
Disaggregation of Revenue [Line Items]
Revenues	$ 0		$ 0