{"cik":50725,"taxonomy":"us-gaap","tag":"LongTermDebtNoncurrent","label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"GRIFFON CORPORATION","units":{"USD":[{"end":"2010-09-30","val":503935000,"accn":"0000930413-11-005092","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-08-03"},{"end":"2010-09-30","val":503935000,"accn":"0000930413-11-007477","fy":2011,"fp":"FY","form":"10-K","filed":"2011-11-18","frame":"CY2010Q3I"},{"end":"2011-06-30","val":674530000,"accn":"0000930413-11-005092","fy":2011,"fp":"Q3","form":"10-Q","filed":"2011-08-03","frame":"CY2011Q2I"},{"end":"2011-09-30","val":688247000,"accn":"0000930413-11-007477","fy":2011,"fp":"FY","form":"10-K","filed":"2011-11-18"},{"end":"2011-09-30","val":688247000,"accn":"0000930413-12-000478","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-02-02"},{"end":"2011-09-30","val":688247000,"accn":"0000930413-12-002925","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-05-09"},{"end":"2011-09-30","val":688247000,"accn":"0000930413-12-004308","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-08-03"},{"end":"2011-09-30","val":688247000,"accn":"0000930413-12-006185","fy":2012,"fp":"FY","form":"10-K","filed":"2012-11-16","frame":"CY2011Q3I"},{"end":"2011-12-31","val":685270000,"accn":"0000930413-12-000478","fy":2012,"fp":"Q1","form":"10-Q","filed":"2012-02-02","frame":"CY2011Q4I"},{"end":"2012-03-31","val":689011000,"accn":"0000930413-12-002925","fy":2012,"fp":"Q2","form":"10-Q","filed":"2012-05-09","frame":"CY2012Q1I"},{"end":"2012-06-30","val":685355000,"accn":"0000930413-12-004308","fy":2012,"fp":"Q3","form":"10-Q","filed":"2012-08-03","frame":"CY2012Q2I"},{"end":"2012-09-30","val":681907000,"accn":"0000930413-12-006185","fy":2012,"fp":"FY","form":"10-K","filed":"2012-11-16"},{"end":"2012-09-30","val":681907000,"accn":"0000930413-13-000495","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-02-01"},{"end":"2012-09-30","val":681907000,"accn":"0000930413-13-002814","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-05-08"},{"end":"2012-09-30","val":681907000,"accn":"0000930413-13-004128","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-08-07"},{"end":"2012-09-30","val":681907000,"accn":"0000930413-13-005414","fy":2013,"fp":"FY","form":"10-K","filed":"2013-11-15","frame":"CY2012Q3I"},{"end":"2012-12-31","val":679538000,"accn":"0000930413-13-000495","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-02-01","frame":"CY2012Q4I"},{"end":"2013-03-31","val":678773000,"accn":"0000930413-13-002814","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-05-08","frame":"CY2013Q1I"},{"end":"2013-06-30","val":678307000,"accn":"0000930413-13-004128","fy":2013,"fp":"Q3","form":"10-Q","filed":"2013-08-07","frame":"CY2013Q2I"},{"end":"2013-09-30","val":678487000,"accn":"0000930413-13-005414","fy":2013,"fp":"FY","form":"10-K","filed":"2013-11-15"},{"end":"2013-09-30","val":678487000,"accn":"0000930413-14-000393","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-01-31"},{"end":"2013-09-30","val":678487000,"accn":"0000930413-14-002284","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-05-02"},{"end":"2013-09-30","val":678487000,"accn":"0001445305-14-003126","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-07-30"},{"end":"2013-09-30","val":678487000,"accn":"0000050725-14-000006","fy":2014,"fp":"FY","form":"10-K","filed":"2014-11-13","frame":"CY2013Q3I"},{"end":"2013-12-31","val":715096000,"accn":"0000930413-14-000393","fy":2014,"fp":"Q1","form":"10-Q","filed":"2014-01-31","frame":"CY2013Q4I"},{"end":"2014-03-31","val":773579000,"accn":"0000930413-14-002284","fy":2014,"fp":"Q2","form":"10-Q","filed":"2014-05-02","frame":"CY2014Q1I"},{"end":"2014-06-30","val":797180000,"accn":"0001445305-14-003126","fy":2014,"fp":"Q3","form":"10-Q","filed":"2014-07-30","frame":"CY2014Q2I"},{"end":"2014-09-30","val":805101000,"accn":"0000050725-14-000006","fy":2014,"fp":"FY","form":"10-K","filed":"2014-11-13"},{"end":"2014-09-30","val":805101000,"accn":"0000050725-15-000006","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-01-29"},{"end":"2014-09-30","val":791301000,"accn":"0000050725-15-000042","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-04-30"},{"end":"2014-09-30","val":791301000,"accn":"0000050725-15-000070","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-07-31"},{"end":"2014-09-30","val":791301000,"accn":"0000050725-15-000080","fy":2015,"fp":"FY","form":"10-K","filed":"2015-11-12","frame":"CY2014Q3I"},{"end":"2014-12-31","val":802855000,"accn":"0000050725-15-000006","fy":2015,"fp":"Q1","form":"10-Q","filed":"2015-01-29","frame":"CY2014Q4I"},{"end":"2015-03-31","val":858315000,"accn":"0000050725-15-000042","fy":2015,"fp":"Q2","form":"10-Q","filed":"2015-04-30","frame":"CY2015Q1I"},{"end":"2015-06-30","val":828699000,"accn":"0000050725-15-000070","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-07-31","frame":"CY2015Q2I"},{"end":"2015-09-30","val":826976000,"accn":"0000050725-15-000080","fy":2015,"fp":"FY","form":"10-K","filed":"2015-11-12"},{"end":"2015-09-30","val":826976000,"accn":"0000050725-16-000097","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-01-29"},{"end":"2015-09-30","val":826976000,"accn":"0000050725-16-000129","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-05-04"},{"end":"2015-09-30","val":826976000,"accn":"0000050725-16-000152","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-08-03"},{"end":"2015-09-30","val":826976000,"accn":"0000050725-16-000166","fy":2016,"fp":"FY","form":"10-K","filed":"2016-11-17","frame":"CY2015Q3I"},{"end":"2015-12-31","val":886028000,"accn":"0000050725-16-000097","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-01-29","frame":"CY2015Q4I"},{"end":"2016-03-31","val":922563000,"accn":"0000050725-16-000129","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-05-04","frame":"CY2016Q1I"},{"end":"2016-06-30","val":913838000,"accn":"0000050725-16-000152","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-08-03","frame":"CY2016Q2I"},{"end":"2016-09-30","val":913914000,"accn":"0000050725-16-000166","fy":2016,"fp":"FY","form":"10-K","filed":"2016-11-17"},{"end":"2016-09-30","val":913914000,"accn":"0000050725-17-000004","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-01-31"},{"end":"2016-09-30","val":913914000,"accn":"0000050725-17-000037","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-05-04"},{"end":"2016-09-30","val":913914000,"accn":"0000050725-17-000046","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-08-02"},{"end":"2016-09-30","val":896946000,"accn":"0000050725-17-000060","fy":2017,"fp":"FY","form":"10-K","filed":"2017-11-20","frame":"CY2016Q3I"},{"end":"2016-12-31","val":938673000,"accn":"0000050725-17-000004","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-01-31","frame":"CY2016Q4I"},{"end":"2017-03-31","val":993576000,"accn":"0000050725-17-000037","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-05-04","frame":"CY2017Q1I"},{"end":"2017-06-30","val":980720000,"accn":"0000050725-17-000046","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-08-02","frame":"CY2017Q2I"},{"end":"2017-09-30","val":968080000,"accn":"0000050725-17-000060","fy":2017,"fp":"FY","form":"10-K","filed":"2017-11-20"},{"end":"2017-09-30","val":968080000,"accn":"0000050725-18-000005","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-02-01"},{"end":"2017-09-30","val":968080000,"accn":"0000050725-18-000040","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-05-04"},{"end":"2017-09-30","val":968080000,"accn":"0000050725-18-000050","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-08-02"},{"end":"2017-09-30","val":968080000,"accn":"0000050725-18-000075","fy":2018,"fp":"FY","form":"10-K","filed":"2018-11-19","frame":"CY2017Q3I"},{"end":"2017-12-31","val":1238393000,"accn":"0000050725-18-000005","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-02-01","frame":"CY2017Q4I"},{"end":"2018-03-31","val":1078462000,"accn":"0000050725-18-000040","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-05-04","frame":"CY2018Q1I"},{"end":"2018-06-30","val":1124981000,"accn":"0000050725-18-000050","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-08-02","frame":"CY2018Q2I"},{"end":"2018-09-30","val":1108071000,"accn":"0000050725-18-000075","fy":2018,"fp":"FY","form":"10-K","filed":"2018-11-19"},{"end":"2018-09-30","val":1108071000,"accn":"0000050725-19-000028","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-02-01"},{"end":"2018-09-30","val":1108071000,"accn":"0000050725-19-000037","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-05-02"},{"end":"2018-09-30","val":1108071000,"accn":"0000050725-19-000052","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-08-01"},{"end":"2018-09-30","val":1108071000,"accn":"0000050725-19-000077","fy":2019,"fp":"FY","form":"10-K","filed":"2019-11-22","frame":"CY2018Q3I"},{"end":"2018-12-31","val":1142079000,"accn":"0000050725-19-000028","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-02-01","frame":"CY2018Q4I"},{"end":"2019-03-31","val":1206195000,"accn":"0000050725-19-000037","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-05-02","frame":"CY2019Q1I"},{"end":"2019-06-30","val":1159621000,"accn":"0000050725-19-000052","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-08-01","frame":"CY2019Q2I"},{"end":"2019-09-30","val":1093749000,"accn":"0000050725-19-000077","fy":2019,"fp":"FY","form":"10-K","filed":"2019-11-22"},{"end":"2019-09-30","val":1093749000,"accn":"0000050725-20-000005","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-01-31"},{"end":"2019-09-30","val":1093749000,"accn":"0000050725-20-000043","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-04-29"},{"end":"2019-09-30","val":1093749000,"accn":"0000050725-20-000055","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-07-31"},{"end":"2019-09-30","val":1093749000,"accn":"0000050725-20-000063","fy":2020,"fp":"FY","form":"10-K","filed":"2020-11-13","frame":"CY2019Q3I"},{"end":"2019-12-31","val":1137134000,"accn":"0000050725-20-000005","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-01-31","frame":"CY2019Q4I"},{"end":"2020-03-31","val":1216226000,"accn":"0000050725-20-000043","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-04-29","frame":"CY2020Q1I"},{"end":"2020-06-30","val":1123365000,"accn":"0000050725-20-000055","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-07-31","frame":"CY2020Q2I"},{"end":"2020-09-30","val":1037042000,"accn":"0000050725-20-000063","fy":2020,"fp":"FY","form":"10-K","filed":"2020-11-13"},{"end":"2020-09-30","val":1037042000,"accn":"0000050725-21-000008","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-01-29"},{"end":"2020-09-30","val":1037042000,"accn":"0000050725-21-000044","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-04-30"},{"end":"2020-09-30","val":1037042000,"accn":"0000050725-21-000056","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-07-30"},{"end":"2020-09-30","val":1037042000,"accn":"0000050725-21-000068","fy":2021,"fp":"FY","form":"10-K","filed":"2021-11-17","frame":"CY2020Q3I"},{"end":"2020-12-31","val":1037413000,"accn":"0000050725-21-000008","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-01-29","frame":"CY2020Q4I"},{"end":"2021-03-31","val":1043859000,"accn":"0000050725-21-000044","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-04-30","frame":"CY2021Q1I"},{"end":"2021-06-30","val":1042612000,"accn":"0000050725-21-000056","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-07-30","frame":"CY2021Q2I"},{"end":"2021-09-30","val":1033197000,"accn":"0000050725-21-000068","fy":2021,"fp":"FY","form":"10-K","filed":"2021-11-17"},{"end":"2021-09-30","val":1033197000,"accn":"0000050725-22-000007","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-02-01"},{"end":"2021-09-30","val":1033197000,"accn":"0000050725-22-000052","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-04-29"},{"end":"2021-09-30","val":1033197000,"accn":"0000050725-22-000061","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-08-03"},{"end":"2021-09-30","val":1033197000,"accn":"0000050725-22-000090","fy":2022,"fp":"FY","form":"10-K","filed":"2022-11-18","frame":"CY2021Q3I"},{"end":"2021-12-31","val":1037755000,"accn":"0000050725-22-000007","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-02-01","frame":"CY2021Q4I"},{"end":"2022-03-31","val":1941725000,"accn":"0000050725-22-000052","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-04-29","frame":"CY2022Q1I"},{"end":"2022-06-30","val":1574697000,"accn":"0000050725-22-000061","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-08-03","frame":"CY2022Q2I"},{"end":"2022-09-30","val":1560998000,"accn":"0000050725-22-000090","fy":2022,"fp":"FY","form":"10-K","filed":"2022-11-18"},{"end":"2022-09-30","val":1560998000,"accn":"0000050725-23-000006","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-01-31"},{"end":"2022-09-30","val":1560998000,"accn":"0000050725-23-000038","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-05-04"},{"end":"2022-09-30","val":1560998000,"accn":"0000050725-23-000047","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-08-03"},{"end":"2022-09-30","val":1560998000,"accn":"0000050725-23-000055","fy":2023,"fp":"FY","form":"10-K","filed":"2023-11-16","frame":"CY2022Q3I"},{"end":"2022-12-31","val":1507681000,"accn":"0000050725-23-000006","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-01-31","frame":"CY2022Q4I"},{"end":"2023-03-31","val":1491564000,"accn":"0000050725-23-000038","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-05-04","frame":"CY2023Q1I"},{"end":"2023-06-30","val":1536415000,"accn":"0000050725-23-000047","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-08-03","frame":"CY2023Q2I"},{"end":"2023-09-30","val":1459904000,"accn":"0000050725-23-000055","fy":2023,"fp":"FY","form":"10-K","filed":"2023-11-16"},{"end":"2023-09-30","val":1459904000,"accn":"0000050725-24-000010","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-02-07"},{"end":"2023-09-30","val":1459904000,"accn":"0000050725-24-000071","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-05-08"},{"end":"2023-09-30","val":1459904000,"accn":"0000050725-24-000096","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-08-07"},{"end":"2023-09-30","val":1459904000,"accn":"0000050725-24-000152","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-13","frame":"CY2023Q3I"},{"end":"2023-12-31","val":1430235000,"accn":"0000050725-24-000010","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-02-07","frame":"CY2023Q4I"},{"end":"2024-03-31","val":1577208000,"accn":"0000050725-24-000071","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-05-08","frame":"CY2024Q1I"},{"end":"2024-06-30","val":1499211000,"accn":"0000050725-24-000096","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-08-07","frame":"CY2024Q2I"},{"end":"2024-09-30","val":1515897000,"accn":"0000050725-24-000152","fy":2024,"fp":"FY","form":"10-K","filed":"2024-11-13"},{"end":"2024-09-30","val":1515897000,"accn":"0000050725-25-000008","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-02-05"},{"end":"2024-09-30","val":1515897000,"accn":"0000050725-25-000065","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-05-08"},{"end":"2024-09-30","val":1515897000,"accn":"0000050725-25-000078","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-08-06"},{"end":"2024-09-30","val":1515897000,"accn":"0001628280-25-053242","fy":2025,"fp":"FY","form":"10-K","filed":"2025-11-19","frame":"CY2024Q3I"},{"end":"2024-12-31","val":1466889000,"accn":"0000050725-25-000008","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-02-05","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1528838000,"accn":"0000050725-25-000065","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-05-08","frame":"CY2025Q1I"},{"end":"2025-06-30","val":1442855000,"accn":"0000050725-25-000078","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-08-06","frame":"CY2025Q2I"},{"end":"2025-09-30","val":1404387000,"accn":"0001628280-25-053242","fy":2025,"fp":"FY","form":"10-K","filed":"2025-11-19"},{"end":"2025-09-30","val":1404387000,"accn":"0001628280-26-005892","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-02-06"},{"end":"2025-09-30","val":1404276000,"accn":"0001628280-26-032347","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-05-07"},{"end":"2025-09-30","val":1404276000,"accn":"0001628280-26-053536","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-08-05","frame":"CY2025Q3I"},{"end":"2025-12-31","val":1346110000,"accn":"0001628280-26-005892","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-02-06","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1394836000,"accn":"0001628280-26-032347","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-05-07","frame":"CY2026Q1I"},{"end":"2026-06-30","val":1259624000,"accn":"0001628280-26-053536","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-08-05","frame":"CY2026Q2I"}]}}