Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 28, 2018	Oct. 29, 2017
Income Statement [Abstract]
NET REVENUE	$ 1,039,170	$ 1,194,436
Cost of services	885,492	1,007,041
GROSS MARGIN	153,678	187,395
Selling, administrative and other operating costs	173,337	197,130
Restructuring and severance costs	8,242	1,379
Gain from divestitures	0	(51,971)
Settlement and impairment charges	506	1,694
OPERATING INCOME (LOSS)	(28,407)	39,163
OTHER INCOME (EXPENSE), NET
Interest income	173	39
Interest expense	(2,765)	(3,790)
Foreign exchange gain (loss), net	403	(1,637)
Other income (expense), net	(1,131)	(1,562)
TOTAL OTHER INCOME (EXPENSE), NET	(3,320)	(6,950)
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(31,727)	32,213
Income tax provision	958	3,388
INCOME (LOSS) FROM CONTINUING OPERATIONS	(32,685)	28,825
DISCONTINUED OPERATIONS
Loss from discontinued operations, net of income taxes	0	(1,693)
NET INCOME (LOSS)	$ (32,685)	$ 27,132
Basic:
Income (loss) from continuing operations (USD per share)	$ (1.55)	$ 1.38
Loss from discontinued operations (USD per share)	0.00	(0.08)
Net Income (loss) (USD per share)	$ (1.55)	$ 1.30
Weighted average number of shares (shares)	21,051	20,942
Diluted:
Income (loss) from continuing operations (USD per share)	$ (1.55)	$ 1.37
Loss from discontinued operations (USD per share)	0.00	(0.08)
Net Income (loss) (USD per share)	$ (1.55)	$ 1.29
Weighted average number of shares (shares)	21,051	21,017