XML 68 R54.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Goodwill and Intangible Assets - Narrative (Details) $ in Millions | Mar. 31, 2024 USD ($)
--- | ---
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible assets, gross (excluding goodwill), fully amortized | $ 69.4

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Intangible Assets, Gross (Excluding Goodwill), Fully Amortized + References No definition available. + Details
Name: | vsec_IntangibleAssetsGrossExcludingGoodwillFullyAmortized
Namespace Prefix: | vsec_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant