Segment Disclosures - Summary of Sales and Segment Operating Income (Loss) by Reportable Operating 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
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue	$ 264,805	$ 257,808	$ 263,219	$ 253,338	$ 288,483	$ 289,924	$ 303,005	$ 313,024	$ 1,039,170	$ 1,194,436
Cost of services	220,797	221,448	225,918	217,329	240,816	244,205	255,886	266,134	885,492	1,007,041
GROSS MARGIN	44,008	36,360	37,301	36,009	47,667	45,719	47,119	46,890	153,678	187,395
Selling, administrative and other operating costs	41,261	42,222	42,916	46,938	50,138	46,931	51,171	48,890	173,337	197,130
Restructuring and severance costs	4,512	3,108	104	518	307	249	199	624	8,242	1,379
Gain from divestitures					(48,033)	0	(3,938)	0	0	(51,971)
Settlement and impairment charges	351	0	155	0	1,404	0	290	0	506	1,694
OPERATING INCOME (LOSS)	(2,116)	(8,970)	(5,874)	(11,447)	43,851	(1,461)	(603)	(2,624)	(28,407)	39,163
Other income (expense), net									(3,320)	(6,950)
Income tax provision	382	1,306	630	(1,360)	2,458	1,074	(767)	623	958	3,388
INCOME (LOSS) FROM CONTINUING OPERATIONS	$ (2,886)	$ (11,418)	$ (7,687)	$ (10,694)	39,774	(5,518)	(854)	(4,577)	(32,685)	28,825
Loss from discontinued operations, net of income taxes					(1,693)	0	0	0	0	(1,693)
NET INCOME (LOSS)					$ 38,081	$ (5,518)	$ (854)	$ (4,577)	(32,685)	27,132
Operating Segments | North American Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									860,544	919,260
Cost of services									735,050	782,405
GROSS MARGIN									125,494	136,855
Selling, administrative and other operating costs									112,459	119,320
Restructuring and severance costs									932	382
Gain from divestitures										0
Settlement and impairment charges									0	0
OPERATING INCOME (LOSS)									12,103	17,153
Operating Segments | International Staffing
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									117,351	119,762
Cost of services									98,640	101,064
GROSS MARGIN									18,711	18,698
Selling, administrative and other operating costs									15,986	15,836
Restructuring and severance costs									328	14
Gain from divestitures										0
Settlement and impairment charges									0	0
OPERATING INCOME (LOSS)									2,397	2,848
Operating Segments | North American MSP
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									29,986	36,783
Cost of services									22,637	29,309
GROSS MARGIN									7,349	7,474
Selling, administrative and other operating costs									5,571	4,861
Restructuring and severance costs									145	0
Gain from divestitures										0
Settlement and impairment charges									0	0
OPERATING INCOME (LOSS)									1,633	2,613
Corporate & Other
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									35,228	125,089
Cost of services									33,104	100,721
GROSS MARGIN									2,124	24,368
Selling, administrative and other operating costs									39,321	57,113
Restructuring and severance costs									6,837	983
Gain from divestitures										(51,971)
Settlement and impairment charges									506	1,694
OPERATING INCOME (LOSS)									(44,540)	16,549
Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net revenue									(3,939)	(6,458)
Cost of services									(3,939)	(6,458)
GROSS MARGIN									0	0
Selling, administrative and other operating costs									0	0
Restructuring and severance costs									0	0
Gain from divestitures										0
Settlement and impairment charges									0	0
OPERATING INCOME (LOSS)									$ 0	$ 0