| Component: (Network and Table) | |
|---|---|
| Network | 2407405 - Disclosure - Estimated Future Amortization Expense for Intangible Assets (Detail) (http://www.ansys.com/role/EstimatedFutureAmortizationExpenseForIntangibleAssetsDetail) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001013462 (http://www.sec.gov/CIK) |
| Goodwill and Intangible Assets Disclosure [Abstract] | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Goodwill and Intangible Assets Disclosure [Abstract] | ||
2017 | ||
2018 | ||
2019 | ||
2020 | ||
2021 | ||
Thereafter | ||
Total intangible assets subject to amortization, net | ||
Indefinite-lived trade name | 357,000 | |
Other intangible assets, net | 172,619,000 | 220,553,000 |