XML 51 R39.htm IDEA: XBRL DOCUMENT v3.5.0.2

PURCHASED INTANGIBLE ASSETS - Indefinite Lived Intangible Assets (Details) - Trade Name - USD ($) $ in Thousands	Jul. 31, 2016	Jan. 31, 2016
TRC
Indefinite-Lived Intangible Assets
Indefinite-lived Intangible Assets	$ 4,499	$ 4,499
SMC
Indefinite-Lived Intangible Assets
Indefinite-lived Intangible Assets	$ 181	$ 181

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

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X

- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Balance Type:	debit
Period Type:	instant

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- Details

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X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=agx_RobertsCompanyMember
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X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=agx_SouthernMarylandCableMember
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