WARRANTY LIABILITY (Tables)

3 Months Ended

Dec. 31, 2021

Product Warranties Disclosures [Abstract]

Summary of Changes in Warranty Liability, Included in Accrued Liabilities

Changes in Griffon’s warranty liability, included in Accrued liabilities, were as follows:

	Three Months Ended December 31,
	2021		2020
Balance, beginning of period	$	7,818	$	6,268
Warranties issued and changes in estimated pre-existing warranties	3,461		3,576
Actual warranty costs incurred	(1,707)		(3,612)
Balance, end of period	$	9,572	$	6,232