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v3.25.2

COMMITMENTS (Details) $ in Millions | Jul. 31, 2025 USD ($)
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COMMITMENTS |
Unsatisfied bonded performance obligations | $ 600.0
Outstanding amount of bonds covering other risks including warranty obligations | $ 61.2

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- Definition The aggregate amount of bonds covering other risks including warranty obligations. + References No definition available. + Details
Name: | agx_BondsOutstandingCoveringOtherRisks
Namespace Prefix: | agx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | agx_CommitmentDisclosureAbstract
Namespace Prefix: | agx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents information pertaining to remaining bonded performance obligations. + References No definition available. + Details
Name: | agx_RemainingBondedPerformanceObligations
Namespace Prefix: | agx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant