XML 47 R35.htm IDEA: XBRL DOCUMENT
v3.21.2

ACCOUNTS AND NOTES RECEIVABLE (Details) - USD ($) $ in Millions | Jul. 31, 2021 | Jan. 31, 2021
--- | --- | ---
ACCOUNTS AND NOTES RECEIVABLE |  |
Outstanding balances of accounts receivable and contract assets | $ 24.5 | $ 24.5
Past due notes receivable | $ 1.8 | $ 1.8

X
- Definition Amount of outstanding balances which includes accounts receivable and contract assets. + References No definition available. + Details
Name: | agx_InvoicesOutstandingBalanceIncludedInAccountsReceivableAndContractAssets
Namespace Prefix: | agx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4531-111522 + Details
Name: | us-gaap_AccountsReceivableGrossCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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