Koppers Holdings Inc. Quarterly Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent in pure from Q2 2011 to Q1 2024

Taxonomy & unit
us-gaap: pure
Description
Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
Summary
Koppers Holdings Inc. quarterly/annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent history and growth rate from Q2 2011 to Q1 2024.
  • Koppers Holdings Inc. Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for the quarter ending March 31, 2024 was 0.21 pure, unchanged year-over-year.
  • Koppers Holdings Inc. annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for 2023 was 0.21 pure, unchanged from 2022.
  • Koppers Holdings Inc. annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for 2022 was 0.21 pure, unchanged from 2021.
  • Koppers Holdings Inc. annual Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent for 2021 was 0.21 pure, unchanged from 2020.
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent, Quarterly (pure)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent, YoY Quarterly Growth (%)
Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed
Q1 2024 0.21 0 0% Jan 1, 2024 Mar 31, 2024 10-Q 2024-05-03
Q1 2023 0.21 0 0% Jan 1, 2023 Mar 31, 2023 10-Q 2024-05-03
Q1 2022 0.21 0 0% Jan 1, 2022 Mar 31, 2022 10-Q 2023-05-05
Q1 2021 0.21 0 0% Jan 1, 2021 Mar 31, 2021 10-Q 2022-05-06
Q1 2020 0.21 0 0% Jan 1, 2020 Mar 31, 2020 10-Q 2021-05-07
Q1 2019 0.21 0 0% Jan 1, 2019 Mar 31, 2019 10-Q 2020-05-07
Q1 2018 0.21 -0.14 -40% Jan 1, 2018 Mar 31, 2018 10-Q 2019-05-03
Q1 2017 0.35 0 0% Jan 1, 2017 Mar 31, 2017 10-Q 2018-05-03
Q1 2016 0.35 0 0% Jan 1, 2016 Mar 31, 2016 10-Q 2017-05-08
Q4 2015 0.35 0 0% Oct 1, 2015 Dec 31, 2015 10-K 2018-02-27
Q3 2015 0.35 0 0% Jul 1, 2015 Sep 30, 2015 10-Q 2015-11-05
Q2 2015 0.35 0 0% Apr 1, 2015 Jun 30, 2015 10-Q 2015-08-06
Q1 2015 0.35 0 0% Jan 1, 2015 Mar 31, 2015 10-Q 2016-05-06
Q4 2014 0.35 0 0% Oct 1, 2014 Dec 31, 2014 10-K 2017-02-24
Q3 2014 0.35 0 0% Jul 1, 2014 Sep 30, 2014 10-Q 2015-11-05
Q2 2014 0.35 0 0% Apr 1, 2014 Jun 30, 2014 10-Q 2015-08-06
Q1 2014 0.35 0 0% Jan 1, 2014 Mar 31, 2014 10-Q 2015-05-08
Q4 2013 0.35 0 0% Oct 1, 2013 Dec 31, 2013 10-K 2016-02-29
Q3 2013 0.35 0 0% Jul 1, 2013 Sep 30, 2013 10-Q 2014-11-10
Q2 2013 0.35 0 0% Apr 1, 2013 Jun 30, 2013 10-Q 2014-08-07
Q1 2013 0.35 0 0% Jan 1, 2013 Mar 31, 2013 10-Q 2014-05-07
Q4 2012 0.35 Oct 1, 2012 Dec 31, 2012 10-K 2015-03-02
Q3 2012 0.35 0 0% Jul 1, 2012 Sep 30, 2012 10-Q 2013-11-07
Q2 2012 0.35 0 0% Mar 31, 2012 Jun 30, 2012 10-Q 2013-08-08
Q1 2012 0.35 Jan 1, 2012 Mar 31, 2012 10-Q 2013-05-03
Q3 2011 0.35 Jul 1, 2011 Sep 30, 2011 10-Q 2012-11-09
Q2 2011 0.35 Apr 1, 2011 Jun 30, 2011 10-Q 2012-08-09
* An asterisk sign (*) next to the value indicates that the value is likely invalid.