XML 99 R30.htm IDEA: XBRL DOCUMENT
v3.25.3

DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS (Details) | Sep. 30, 2025 employee client
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DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS |
Number of clients from top 100 enterprises in the markets | 75
Number of digital-ready professionals | employee | 1,300
Minimum |
DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS |
Number of clients | 900

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- Definition Number of persons employed by the Entity + References No definition available. + Details
Name: | dei_EntityNumberOfEmployees
Namespace Prefix: | dei_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | iii_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the number of worldwide clients of the entity. + References No definition available. + Details
Name: | iii_NumberOfClients
Namespace Prefix: | iii_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Number of clients from top 100 enterprises in the markets. + References No definition available. + Details
Name: | iii_NumberOfClientsFromTop100Enterprises
Namespace Prefix: | iii_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |