Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
Apr. 28, 2019	Apr. 29, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (8,380)	$ (18,381)
Adjustment to reconcile net loss to cash provided by operating activities:
Depreciation and amortization	3,358	3,726
Release of doubtful accounts and sales allowances	(281)	(220)
Unrealized foreign currency exchange (gain) loss	(109)	386
Impairment charges	347	155
Amortization of gain on sale leaseback of property	(972)	(972)
Loss (gain) on dispositions of property, equipment and software	6	0
Share-based compensation	(208)	992
Change in operating assets and liabilities:
Trade accounts receivable	19,316	7,855
Other assets	1,323	4,980
Accounts payable	(7,310)	3,227
Accrued expenses and other liabilities	1,978	(2,159)
Income taxes	390	889
Net cash provided by operating activities	9,458	478
CASH FLOWS FROM INVESTING ACTIVITIES:
Sales of investments	97	460
Purchases of investments	(118)	(297)
Proceeds from sale of property, equipment, and software	0	1
Purchases of property, equipment, and software	(4,058)	(1,298)
Net cash used in investing activities	(4,079)	(1,134)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of borrowings	(15,000)	(109,696)
Draw-down on borrowings	20,000	109,696
Debt issuance costs	(177)	(1,411)
Withholding tax payment on vesting of restricted stock awards	(40)	(60)
Net cash provided by (used in) financing activities	4,783	(1,471)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(249)	(571)
Net increase (decrease) in cash, cash equivalents and restricted cash	9,913	(2,698)
Cash, cash equivalents and restricted cash, beginning of period	36,544	54,097
Cash, cash equivalents and restricted cash, end of period	46,457	51,399
Cash paid during the period:
Interest	1,560	1,482
Income taxes	216	1,132
Current assets:
Cash and cash equivalents	39,689	34,177
Restricted cash included in Restricted cash and short-term investments	$ 6,768	$ 17,222

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_RepaymentsOfShortTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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Name:	us-gaap_RestructuringCostsAndAssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The portion of the deferred gain that was recognized in the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 35
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108788860&loc=d3e50609-112754

+ Details

Name:	us-gaap_SaleLeasebackTransactionCurrentPeriodGainRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Provision for Doubtful Accounts And Sales Allowances

+ References

No definition available.

+ Details

Name:	visi_ProvisionForDoubtfulAccountsAndSalesAllowances
Namespace Prefix:	visi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Restricted Cash and Short-term Investments, Restricted Cash Portion

+ References

No definition available.

+ Details

Name:	visi_RestrictedCashandShorttermInvestmentsRestrictedCashPortion
Namespace Prefix:	visi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant