v3.26.1
WARRANTY LIABILITY (Tables)
6 Months Ended
Mar. 31, 2026
Product Warranties Disclosures [Abstract]  
Schedule of Changes in Warranty Liability
Changes in Griffon’s warranty liability, included in Accrued liabilities, for the three and six months ended March 31, 2026 and 2025 were as follows:
 Three Months Ended March 31,Six Months Ended March 31,
 2026202520262025
Balance, beginning of period$6,150 $5,519 $5,694 $5,524 
Warranties issued and changes in estimated pre-existing warranties4,255 3,352 6,892 6,476 
Actual warranty costs incurred(3,863)(2,855)(6,044)(5,984)
Balance, end of period$6,542 $6,016 $6,542 $6,016