{"cik":1048268,"taxonomy":"us-gaap","tag":"AmortizationOfIntangibleAssets","label":"Amortization of Intangible Assets","description":"The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","entityName":"IES Holdings, Inc.","units":{"USD":[{"start":"2012-10-01","end":"2013-09-30","val":452000,"accn":"0001193125-14-002884","fy":2013,"fp":"FY","form":"10-K/A","filed":"2014-01-06"},{"start":"2012-10-01","end":"2013-09-30","val":452000,"accn":"0001193125-14-440606","fy":2014,"fp":"FY","form":"10-K","filed":"2014-12-12"},{"start":"2012-10-01","end":"2013-09-30","val":452000,"accn":"0001193125-15-400802","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-11","frame":"CY2013"},{"start":"2013-10-01","end":"2013-12-31","val":134000,"accn":"0001193125-14-043268","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-02-10","frame":"CY2013Q4"},{"start":"2013-10-01","end":"2014-09-30","val":635000,"accn":"0001193125-14-440606","fy":2014,"fp":"FY","form":"10-K","filed":"2014-12-12"},{"start":"2013-10-01","end":"2014-09-30","val":635000,"accn":"0001193125-15-400802","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-11"},{"start":"2013-10-01","end":"2014-09-30","val":635000,"accn":"0001193125-16-789187","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-09","frame":"CY2014"},{"start":"2014-10-01","end":"2015-09-30","val":381000,"accn":"0001193125-15-400802","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-11"},{"start":"2014-10-01","end":"2015-09-30","val":381000,"accn":"0001193125-16-789187","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-09"},{"start":"2014-10-01","end":"2015-09-30","val":381000,"accn":"0001193125-17-364439","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-08","frame":"CY2015"},{"start":"2015-10-01","end":"2016-09-30","val":2936000,"accn":"0001193125-16-789187","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-09"},{"start":"2015-10-01","end":"2016-09-30","val":2936000,"accn":"0001193125-17-364439","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-08"},{"start":"2015-10-01","end":"2016-09-30","val":2936000,"accn":"0001193125-18-344274","fy":2018,"fp":"FY","form":"10-K","filed":"2018-12-07","frame":"CY2016"},{"start":"2016-10-01","end":"2017-09-30","val":5766000,"accn":"0001193125-17-364439","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-08"},{"start":"2016-10-01","end":"2017-09-30","val":5766000,"accn":"0001193125-18-344274","fy":2018,"fp":"FY","form":"10-K","filed":"2018-12-07"},{"start":"2016-10-01","end":"2017-09-30","val":5766000,"accn":"0001048268-19-000007","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-06","frame":"CY2017"},{"start":"2017-10-01","end":"2018-09-30","val":4101000,"accn":"0001193125-18-344274","fy":2018,"fp":"FY","form":"10-K","filed":"2018-12-07"},{"start":"2017-10-01","end":"2018-09-30","val":4101000,"accn":"0001048268-19-000007","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-06"},{"start":"2017-10-01","end":"2018-09-30","val":4101000,"accn":"0001048268-20-000033","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-07","frame":"CY2018"},{"start":"2018-10-01","end":"2019-09-30","val":3950000,"accn":"0001048268-19-000007","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-06"},{"start":"2018-10-01","end":"2019-09-30","val":3950000,"accn":"0001048268-20-000033","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-07"},{"start":"2018-10-01","end":"2019-09-30","val":3950000,"accn":"0001048268-21-000162","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-03","frame":"CY2019"},{"start":"2019-10-01","end":"2020-09-30","val":6424000,"accn":"0001048268-20-000033","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-07"},{"start":"2019-10-01","end":"2020-09-30","val":6424000,"accn":"0001048268-21-000162","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-03"},{"start":"2019-10-01","end":"2020-09-30","val":6424000,"accn":"0001048268-22-000099","fy":2022,"fp":"FY","form":"10-K","filed":"2022-12-06","frame":"CY2020"},{"start":"2020-10-01","end":"2021-09-30","val":13191000,"accn":"0001048268-21-000162","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-03"},{"start":"2020-10-01","end":"2021-09-30","val":13191000,"accn":"0001048268-22-000099","fy":2022,"fp":"FY","form":"10-K","filed":"2022-12-06"},{"start":"2020-10-01","end":"2021-09-30","val":13191000,"accn":"0001048268-23-000097","fy":2023,"fp":"FY","form":"10-K","filed":"2023-12-07","frame":"CY2021"},{"start":"2021-10-01","end":"2022-09-30","val":13666000,"accn":"0001048268-22-000099","fy":2022,"fp":"FY","form":"10-K","filed":"2022-12-06"},{"start":"2021-10-01","end":"2022-09-30","val":13666000,"accn":"0001048268-23-000097","fy":2023,"fp":"FY","form":"10-K","filed":"2023-12-07"},{"start":"2021-10-01","end":"2022-09-30","val":13666000,"accn":"0001048268-24-000134","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-22","frame":"CY2022"},{"start":"2022-10-01","end":"2023-09-30","val":13684000,"accn":"0001048268-23-000097","fy":2023,"fp":"FY","form":"10-K","filed":"2023-12-07"},{"start":"2022-10-01","end":"2023-09-30","val":13684000,"accn":"0001048268-24-000134","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-22"},{"start":"2022-10-01","end":"2023-09-30","val":13684000,"accn":"0001048268-25-000174","fy":2024,"fp":"FY","form":"10-K","filed":"2025-11-21","frame":"CY2023"},{"start":"2023-10-01","end":"2024-09-30","val":13200000,"accn":"0001048268-24-000134","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-22"},{"start":"2023-10-01","end":"2024-09-30","val":13200000,"accn":"0001048268-25-000174","fy":2024,"fp":"FY","form":"10-K","filed":"2025-11-21","frame":"CY2024"},{"start":"2024-10-01","end":"2025-09-30","val":13646000,"accn":"0001048268-25-000174","fy":2024,"fp":"FY","form":"10-K","filed":"2025-11-21","frame":"CY2025"}]}}