{"cik":1589526,"taxonomy":"us-gaap","tag":"PaymentsToAcquireProductiveAssets","label":"Payments to Acquire Productive Assets","description":"The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.","entityName":"Blue Bird Corp","units":{"USD":[{"start":"2012-09-30","end":"2013-09-28","val":4945000,"accn":"0001589526-15-000089","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-15","frame":"CY2013"},{"start":"2013-09-29","end":"2014-03-29","val":2230000,"accn":"0001589526-15-000011","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-05-19"},{"start":"2013-09-29","end":"2014-06-28","val":3264000,"accn":"0001589526-15-000063","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-08-18"},{"start":"2013-09-29","end":"2014-09-27","val":5535000,"accn":"0001589526-15-000089","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-15"},{"start":"2013-09-29","end":"2014-09-27","val":5535000,"accn":"0001589526-16-000199","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-15","frame":"CY2014"},{"start":"2014-09-28","end":"2015-01-03","val":861000,"accn":"0001589526-16-000100","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-02-09","frame":"CY2014Q4"},{"start":"2014-09-28","end":"2015-04-04","val":1832000,"accn":"0001589526-15-000011","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-05-19"},{"start":"2014-09-28","end":"2015-04-04","val":1832000,"accn":"0001589526-16-000130","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-05-23"},{"start":"2014-09-28","end":"2015-07-04","val":3427000,"accn":"0001589526-15-000063","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-08-18"},{"start":"2014-09-28","end":"2015-07-04","val":3427000,"accn":"0001589526-16-000184","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-08-16"},{"start":"2014-09-28","end":"2015-10-03","val":5190000,"accn":"0001589526-15-000089","fy":2015,"fp":"FY","form":"10-K","filed":"2015-12-15"},{"start":"2014-09-28","end":"2015-10-03","val":5190000,"accn":"0001589526-16-000199","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-15"},{"start":"2014-09-28","end":"2015-10-03","val":5190000,"accn":"0001589526-17-000057","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-08","frame":"CY2015"},{"start":"2015-10-04","end":"2016-01-02","val":1671000,"accn":"0001589526-16-000100","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-02-09"},{"start":"2015-10-04","end":"2016-01-02","val":1671000,"accn":"0001589526-17-000009","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-02-09","frame":"CY2015Q4"},{"start":"2015-10-04","end":"2016-04-02","val":3937000,"accn":"0001589526-16-000130","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-05-23"},{"start":"2015-10-04","end":"2016-04-02","val":3937000,"accn":"0001589526-17-000039","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-05-12"},{"start":"2015-10-04","end":"2016-07-02","val":6511000,"accn":"0001589526-16-000184","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-08-16"},{"start":"2015-10-04","end":"2016-07-02","val":6511000,"accn":"0001589526-17-000049","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-08-04"},{"start":"2015-10-04","end":"2016-10-01","val":9583000,"accn":"0001589526-16-000199","fy":2016,"fp":"FY","form":"10-K","filed":"2016-12-15"},{"start":"2015-10-04","end":"2016-10-01","val":9583000,"accn":"0001589526-17-000057","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-08"},{"start":"2015-10-04","end":"2016-10-01","val":9583000,"accn":"0001589526-18-000102","fy":2018,"fp":"FY","form":"10-K","filed":"2018-12-12","frame":"CY2016"},{"start":"2016-10-02","end":"2016-12-31","val":2956000,"accn":"0001589526-17-000009","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-02-09"},{"start":"2016-10-02","end":"2016-12-31","val":2956000,"accn":"0001589526-18-000029","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-02-07","frame":"CY2016Q4"},{"start":"2016-10-02","end":"2017-04-01","val":5159000,"accn":"0001589526-17-000039","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-05-12"},{"start":"2016-10-02","end":"2017-04-01","val":5159000,"accn":"0001589526-18-000045","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-05-10"},{"start":"2016-10-02","end":"2017-07-01","val":7193000,"accn":"0001589526-17-000049","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-08-04"},{"start":"2016-10-02","end":"2017-07-01","val":7193000,"accn":"0001589526-18-000059","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-08-08"},{"start":"2016-10-02","end":"2017-09-30","val":9252000,"accn":"0001589526-17-000057","fy":2017,"fp":"FY","form":"10-K","filed":"2017-12-08"},{"start":"2016-10-02","end":"2017-09-30","val":9252000,"accn":"0001589526-18-000102","fy":2018,"fp":"FY","form":"10-K","filed":"2018-12-12"},{"start":"2016-10-02","end":"2017-09-30","val":9252000,"accn":"0001589526-19-000054","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-12","frame":"CY2017"},{"start":"2017-10-01","end":"2017-12-30","val":3449000,"accn":"0001589526-18-000029","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-02-07"},{"start":"2017-10-01","end":"2017-12-30","val":3449000,"accn":"0001589526-19-000019","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-02-07","frame":"CY2017Q4"},{"start":"2017-10-01","end":"2018-03-31","val":7021000,"accn":"0001589526-18-000045","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-05-10"},{"start":"2017-10-01","end":"2018-03-31","val":7021000,"accn":"0001589526-19-000037","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-05-09"},{"start":"2017-10-01","end":"2018-06-30","val":15572000,"accn":"0001589526-18-000059","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-08-08"},{"start":"2017-10-01","end":"2018-06-30","val":15572000,"accn":"0001589526-19-000044","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-08-08"},{"start":"2017-10-01","end":"2018-09-29","val":32118000,"accn":"0001589526-18-000102","fy":2018,"fp":"FY","form":"10-K","filed":"2018-12-12"},{"start":"2017-10-01","end":"2018-09-29","val":32118000,"accn":"0001589526-19-000054","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-12"},{"start":"2017-10-01","end":"2018-09-29","val":32118000,"accn":"0001589526-20-000112","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-17","frame":"CY2018"},{"start":"2018-09-30","end":"2018-12-29","val":10787000,"accn":"0001589526-19-000019","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-02-07"},{"start":"2018-09-30","end":"2018-12-29","val":10787000,"accn":"0001589526-20-000032","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-02-13","frame":"CY2018Q4"},{"start":"2018-09-30","end":"2019-03-30","val":22706000,"accn":"0001589526-19-000037","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-05-09"},{"start":"2018-09-30","end":"2019-03-30","val":22706000,"accn":"0001589526-20-000063","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-05-14"},{"start":"2018-09-30","end":"2019-06-29","val":30154000,"accn":"0001589526-19-000044","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-08-08"},{"start":"2018-09-30","end":"2019-06-29","val":30154000,"accn":"0001628280-20-012618","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-08-13"},{"start":"2018-09-30","end":"2019-09-28","val":35514000,"accn":"0001589526-19-000054","fy":2019,"fp":"FY","form":"10-K","filed":"2019-12-12"},{"start":"2018-09-30","end":"2019-09-28","val":35514000,"accn":"0001589526-20-000112","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-17"},{"start":"2018-09-30","end":"2019-09-28","val":35514000,"accn":"0001589526-21-000140","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-15","frame":"CY2019"},{"start":"2019-09-29","end":"2020-01-04","val":9287000,"accn":"0001589526-20-000032","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-02-13"},{"start":"2019-09-29","end":"2020-01-04","val":9287000,"accn":"0001589526-21-000009","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-02-11","frame":"CY2019Q4"},{"start":"2019-09-29","end":"2020-04-04","val":14251000,"accn":"0001589526-20-000063","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-05-14"},{"start":"2019-09-29","end":"2020-04-04","val":14251000,"accn":"0001589526-21-000042","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-05-12"},{"start":"2019-09-29","end":"2020-07-04","val":16724000,"accn":"0001628280-20-012618","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-08-13"},{"start":"2019-09-29","end":"2020-07-04","val":16724000,"accn":"0001589526-21-000079","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-08-12"},{"start":"2019-09-29","end":"2020-10-03","val":18968000,"accn":"0001589526-20-000112","fy":2020,"fp":"FY","form":"10-K","filed":"2020-12-17"},{"start":"2019-09-29","end":"2020-10-03","val":18968000,"accn":"0001589526-21-000140","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-15"},{"start":"2019-09-29","end":"2020-10-03","val":18968000,"accn":"0001589526-22-000091","fy":2022,"fp":"FY","form":"10-K","filed":"2022-12-12","frame":"CY2020"},{"start":"2020-10-04","end":"2021-01-02","val":3317000,"accn":"0001589526-21-000009","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-02-11"},{"start":"2020-10-04","end":"2021-01-02","val":3317000,"accn":"0001589526-22-000013","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-02-09","frame":"CY2020Q4"},{"start":"2020-10-04","end":"2021-04-03","val":7007000,"accn":"0001589526-21-000042","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-05-12"},{"start":"2020-10-04","end":"2021-04-03","val":7007000,"accn":"0001589526-22-000048","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-05-12"},{"start":"2020-10-04","end":"2021-07-03","val":10304000,"accn":"0001589526-21-000079","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-08-12"},{"start":"2020-10-04","end":"2021-07-03","val":10304000,"accn":"0001589526-22-000071","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-08-10"},{"start":"2020-10-04","end":"2021-10-02","val":12212000,"accn":"0001589526-21-000140","fy":2021,"fp":"FY","form":"10-K","filed":"2021-12-15"},{"start":"2020-10-04","end":"2021-10-02","val":12212000,"accn":"0001589526-22-000091","fy":2022,"fp":"FY","form":"10-K","filed":"2022-12-12"},{"start":"2020-10-04","end":"2021-10-02","val":12212000,"accn":"0001589526-23-000124","fy":2023,"fp":"FY","form":"10-K","filed":"2023-12-11","frame":"CY2021"},{"start":"2021-10-03","end":"2022-01-01","val":1570000,"accn":"0001589526-22-000013","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-02-09"},{"start":"2021-10-03","end":"2022-01-01","val":1570000,"accn":"0001589526-23-000022","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-02-08","frame":"CY2021Q4"},{"start":"2021-10-03","end":"2022-04-02","val":3478000,"accn":"0001589526-22-000048","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-05-12"},{"start":"2021-10-03","end":"2022-04-02","val":3478000,"accn":"0001589526-23-000047","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-05-11"},{"start":"2021-10-03","end":"2022-07-02","val":4748000,"accn":"0001589526-22-000071","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-08-10"},{"start":"2021-10-03","end":"2022-07-02","val":4748000,"accn":"0001589526-23-000103","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-08-09"},{"start":"2021-10-01","end":"2022-09-30","val":6453000,"accn":"0001589526-24-000119","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-25","frame":"CY2022"},{"start":"2021-10-03","end":"2022-10-01","val":6453000,"accn":"0001589526-22-000091","fy":2022,"fp":"FY","form":"10-K","filed":"2022-12-12"},{"start":"2021-10-03","end":"2022-10-01","val":6453000,"accn":"0001589526-23-000124","fy":2023,"fp":"FY","form":"10-K","filed":"2023-12-11"},{"start":"2022-10-01","end":"2022-12-31","val":1146000,"accn":"0001589526-24-000026","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-02-07","frame":"CY2022Q4"},{"start":"2022-10-02","end":"2022-12-31","val":1146000,"accn":"0001589526-23-000022","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-02-08"},{"start":"2022-10-01","end":"2023-04-01","val":3740000,"accn":"0001589526-24-000055","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-05-08"},{"start":"2022-10-02","end":"2023-04-01","val":3740000,"accn":"0001589526-23-000047","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-05-11"},{"start":"2022-10-01","end":"2023-07-01","val":6390000,"accn":"0001589526-24-000083","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-08-07"},{"start":"2022-10-02","end":"2023-07-01","val":6390000,"accn":"0001589526-23-000103","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-08-09"},{"start":"2022-10-01","end":"2023-09-30","val":8520000,"accn":"0001589526-24-000119","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-25"},{"start":"2022-10-01","end":"2023-09-30","val":8520000,"accn":"0001589526-25-000100","fy":2025,"fp":"FY","form":"10-K","filed":"2025-11-24","frame":"CY2023"},{"start":"2022-10-02","end":"2023-09-30","val":8520000,"accn":"0001589526-23-000124","fy":2023,"fp":"FY","form":"10-K","filed":"2023-12-11"},{"start":"2023-10-01","end":"2023-12-30","val":2904000,"accn":"0001589526-24-000026","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-02-07"},{"start":"2023-10-01","end":"2023-12-30","val":2904000,"accn":"0001589526-25-000026","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-02-05","frame":"CY2023Q4"},{"start":"2023-10-01","end":"2024-03-30","val":5643000,"accn":"0001589526-24-000055","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-05-08"},{"start":"2023-10-01","end":"2024-03-30","val":5643000,"accn":"0001589526-25-000068","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-05-07"},{"start":"2023-10-01","end":"2024-06-29","val":10137000,"accn":"0001589526-24-000083","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-08-07"},{"start":"2023-10-01","end":"2024-06-29","val":10137000,"accn":"0001589526-25-000086","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-08-06"},{"start":"2023-10-01","end":"2024-09-28","val":15263000,"accn":"0001589526-24-000119","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-25"},{"start":"2023-10-01","end":"2024-09-28","val":15263000,"accn":"0001589526-25-000100","fy":2025,"fp":"FY","form":"10-K","filed":"2025-11-24","frame":"CY2024"},{"start":"2024-09-29","end":"2024-12-28","val":4594000,"accn":"0001589526-25-000026","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-02-05"},{"start":"2024-09-29","end":"2024-12-28","val":4594000,"accn":"0001589526-26-000007","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-02-04","frame":"CY2024Q4"},{"start":"2024-09-29","end":"2025-03-29","val":13616000,"accn":"0001589526-25-000068","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-05-07"},{"start":"2024-09-29","end":"2025-03-29","val":13616000,"accn":"0001589526-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-05-06"},{"start":"2024-09-29","end":"2025-06-28","val":18215000,"accn":"0001589526-25-000086","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-08-06"},{"start":"2024-09-29","end":"2025-06-28","val":18215000,"accn":"0001589526-26-000049","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-08-05"},{"start":"2024-09-29","end":"2025-09-27","val":22872000,"accn":"0001589526-25-000100","fy":2025,"fp":"FY","form":"10-K","filed":"2025-11-24","frame":"CY2025"},{"start":"2025-09-28","end":"2025-12-27","val":5465000,"accn":"0001589526-26-000007","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-02-04","frame":"CY2025Q4"},{"start":"2025-09-28","end":"2026-03-28","val":13319000,"accn":"0001589526-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-05-06"},{"start":"2025-09-28","end":"2026-06-27","val":22695000,"accn":"0001589526-26-000049","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-08-05"}]}}