| Component: (Network and Table) | |
|---|---|
| Network | 41104 - Disclosure - PURCHASED INTANGIBLE ASSETS - Finite Lived Intangible Future Amortization Schedule (Details) (http://www.arganinc.com/role/DisclosurePurchasedIntangibleAssetsFiniteLivedIntangibleFutureAmortizationScheduleDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000100591 (http://www.sec.gov/CIK) |
| PURCHASED INTANGIBLE ASSETS | Period [Axis] |
|---|---|
2016-01-31 | |
PURCHASED INTANGIBLE ASSETS | |
2017 | |
2018 | |
2019 | |
2020 | |
2021 | |
Thereafter | |
Total | 4,664,000 |