| Component: (Network and Table) | |
|---|---|
| Network | 2407403 - Disclosure - Intangible Assets and Estimated Useful Lives (http://www.ansys.com/role/IntangibleAssetsAndEstimatedUsefulLives) |
| Table | Schedule of Finite-Lived Intangible Assets [Table] |
| Reporting Entity [Axis] | 0001013462 (http://www.sec.gov/CIK) |
| Finite-Lived Intangible Assets [Line Items] | Period [Axis] | |||||
|---|---|---|---|---|---|---|
2016-01-01 - 2016-12-31 | ||||||
| Finite-Lived Intangible Assets by Major Class [Axis] | ||||||
| Developed Software and Core Technologies | Customer Lists and Contract Backlog | Trade Names | ||||
| Range [Axis] | Range [Axis] | Range [Axis] | ||||
| Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | Minimum [Member] | Maximum [Member] | |
Finite-lived intangible asset, useful life | P2Y | P10Y | ||||