| Component: (Network and Table) | |
|---|---|
| Network | 058 - Disclosure - Note 5 - Long-Term Debt and Credit Facility (Detail) - Future Principal Payments of Long-Term Debt (http://www.aegion.com/role/FuturePrincipalPaymentsofLongTermDebtTable) |
| Table | Statement [Table] |
| Reporting Entity [Axis] | 0000353020 (http://www.sec.gov/CIK) |
| Scenario [Axis] | Scenario, Unspecified [Domain] |
| Statement [Line Items] | Period [Axis] | |
|---|---|---|
2012-12-31 | 2011-12-31 | |
2013 | 33,775,000 | |
2014 | 42,723,000 | |
2015 | 40,625,000 | |
2016 | 138,500,000 | |
Total | 255,623,000 | 249,409,000 |