Unrecognized Tax Benefits in USD of ANSYS INC from Q4 2010 to Q4 2024

Taxonomy & unit: us-gaap: USD
Description: Amount of unrecognized tax benefits.
Summary: Ansys Inc quarterly Unrecognized Tax Benefits history and change rate from Q4 2010 to Q4 2024.
Ansys Inc Unrecognized Tax Benefits for the quarter ending 31 Dec 2024 was $57.6M, a 4.86% increase year-over-year.

Unrecognized Tax Benefits, Quarterly (USD)

Unrecognized Tax Benefits, YoY Quarterly Change (%)

ANSYS INC Quarterly Unrecognized Tax Benefits (USD)

Period	Value	YoY Chg	Change %	Date	Report	Filed
Q4 2024	$57.6M	+$2.67M	+4.86%	31 Dec 2024	10-K	19 Feb 2025
Q4 2023	$54.9M	+$9.11M	+19.9%	31 Dec 2023	10-K	19 Feb 2025
Q4 2022	$45.8M	+$6.13M	+15.5%	31 Dec 2022	10-K	19 Feb 2025
Q4 2021	$39.6M	+$15.6M	+64.7%	31 Dec 2021	10-K	19 Feb 2025
Q4 2020	$24.1M	-$25M	-51%	31 Dec 2020	10-K	21 Feb 2024
Q4 2019	$49.1M	+$26.3M	+115%	31 Dec 2019	10-K	22 Feb 2023
Q4 2018	$22.8M	+$3.17M	+16.1%	31 Dec 2018	10-K	23 Feb 2022
Q3 2018	$30.2M			30 Sep 2018	10-Q	08 Nov 2018
Q2 2018	$29.2M			30 Jun 2018	10-Q	07 Aug 2018
Q1 2018	$27.8M			31 Mar 2018	10-Q	03 May 2018
Q4 2017	$19.7M	+$4.45M	+29.2%	31 Dec 2017	10-K	24 Feb 2021
Q4 2016	$15.2M	-$858K	-5.34%	31 Dec 2016	10-K	27 Feb 2020
Q4 2015	$16.1M	-$275K	-1.68%	31 Dec 2015	10-K	28 Feb 2019
Q4 2014	$16.3M	-$3.25M	-16.6%	31 Dec 2014	10-K	22 Feb 2018
Q4 2013	$19.6M	-$17.6M	-47.3%	31 Dec 2013	10-K	23 Feb 2017
Q4 2012	$37.2M	+$5.62M	+17.8%	31 Dec 2012	10-K	25 Feb 2016
Q4 2011	$31.6M	+$11.6M	+58%	31 Dec 2011	10-K	26 Feb 2015
Q4 2010	$20M			31 Dec 2010	10-K	27 Feb 2014

* An asterisk sign (*) next to the value indicates that the value is likely invalid.