XML 79 R43.htm IDEA: XBRL DOCUMENT
v3.25.3

Description of Business and Basis of Presentation (Details) | Sep. 30, 2025 stores
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Product Information [Line Items] |
Number of stores | 2,200
Express Care |
Product Information [Line Items] |
Number of stores | 240

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- Definition Represents the number of stores. + References No definition available. + Details
Name: | us-gaap_NumberOfStores
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
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 No definition available. + Details
Name: | us-gaap_ProductInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=vvv_ExpressCareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |