EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Summary of Defined Benefit Plans Included in Other Income

Defined benefit pension expense (income) included in Other Income (Expense), net was as follows:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2021		2020		2021		2020
Interest cost	$	745	$	1,148	$	2,234	$	3,450
Expected return on plan assets	(2,544)		(2,585)		(7,633)		(7,757)
Amortization:
Prior service cost	—		3		—		11
Recognized actuarial loss	1,573		1,042		4,719		3,126
Net periodic expense (income)	$	(226)	$	(392)	$	(680)	$	(1,170)