XML 76 R59.htm IDEA: XBRL DOCUMENT v3.25.0.1

Acquisition of QGP Quimica Geral - Additional Information (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Business Acquisition [Line Items]
Acquisition-related contingent deferred consideration	$ 20.1	$ 23.4
QGP Quimica Geral [Member]
Business Acquisition [Line Items]
Acquisition-related contingent deferred consideration	$ 20.1	$ 23.4

X

- Definition

Amount of liability recognized from contingent consideration in asset acquisition.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480123/805-50-15-3

+ Details

Name:	us-gaap_AssetAcquisitionContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

+ Details

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

X

- Details

Name:	us-gaap_AssetAcquisitionAxis=iosp_QgpQuimicaGeralQgpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: