Insider Trading Arrangements - shares	3 Months Ended
	Jun. 30, 2023	Mar. 31, 2023
Ajei Gopal [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement		During the three months ended March 31, 2023, Ajei Gopal, President and Chief Executive Officer of ANSYS, Inc., entered into a trading plan, dated and adopted March 13, 2023, that is intended to comply with the requirements of Rule 10b5-1(c) under the Exchange Act and is intended to satisfy the affirmative defense of Rule 10b5–1(c). The trading plan is in effect until November 27, 2023. The aggregate number of securities that may be sold under the plan is 208,882, which reflects the execution of an option grant received by Dr. Gopal at the time he began employment.
Name		Ajei Gopal
Title		President and Chief Executive Officer of ANSYS, Inc.
Rule 10b5-1 Arrangement Adopted		true
Adoption Date		March 13, 2023
Termination Date		November 27, 2023
Aggregate Available		208,882
Glenda M. Dorchak [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	During the three months ended June 30, 2023, Glenda M. Dorchak, a director of ANSYS, Inc., entered into a trading plan, dated and adopted May 10, 2023, that is intended to comply with the requirements of Rule 10b5-1(c) under the Exchange Act and is intended to satisfy the affirmative defense of Rule 10b5-1(c). The trading plan is in effect until April 30, 2025. The aggregate number of securities that may be sold under the plan is 1,483.
Name	Glenda M. Dorchak
Title	a director of ANSYS, Inc.
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	May 10, 2023
Termination Date	April 30, 2025
Aggregate Available	1,483