XML 36 R24.htm IDEA: XBRL DOCUMENT
v3.5.0.2

PURCHASED INTANGIBLE ASSETS (Tables) | 6 Months Ended
--- | ---
Jul. 31, 2016
PURCHASED INTANGIBLE ASSETS |
Schedule of Intangible Assets |
|  |  |  | July 31, 2016 |  | January 31, |
|  | Estimated Useful Life |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Amount |  | 2016 Net Amount |
Trade Names |  |  |  |  |  |  |  |  |  |  |
TRC |  | Indefinite |  | $ | 4,499 |  | $ | — |  | $ | 4,499 |  | $ | 4,499 |
GPS |  | 15 years |  | 3,643 |  | 2,343 |  | 1,300 |  | 1,421 |
SMC |  | Indefinite |  | 181 |  | — |  | 181 |  | 181 |
Process Certifications |  |  |  |  |  |  |  |  |  |  |
TRC |  | 7 years |  | 1,897 |  | 181 |  | 1,716 |  | 1,852 |
Customer Relationships |  |  |  |  |  |  |  |  |  |  |
TRC |  | 10 years |  | 916 |  | 61 |  | 855 |  | 901 |
APC |  | 4 years |  | 430 |  | 274 |  | 156 |  | 371 |
Other Intangibles |  | various |  | 288 |  | 257 |  | 31 |  | 119 |
Totals |  |  |  | $ | 11,854 |  | $ | 3,116 |  | $ | 8,738 |  | $ | 9,344 |

X
- Definition Tabular disclosure of amortizable finite-lived intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization, and indefinite-lived intangible assets not subject to amortization, excluding goodwill, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + References No definition available. + Details
Name: | agx_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTableTextBlock
Namespace Prefix: | agx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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