Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value of Assets and Liabilities Measured on a Recurring Basis

The fair values of the Company's assets and liabilities measured on a recurring basis are categorized as follows:

	December 31, 2020								September 30, 2020
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Equity and fixed income mutual funds	$	—	$	25,264	$	—	$	25,264	$	—	$	24,610	$	—	$	24,610
Life insurance policies	—		4,724		—		4,724		—		4,621		—		4,621
Total assets at fair value	$	—	$	29,988	$	—	$	29,988	$	—	$	29,231	$	—	$	29,231
Liabilities:
Derivatives (1)	$	—	$	6,422	$	—	$	6,422	$	—	$	7,792	$	—	$	7,792
Total liabilities at fair value	$	—	$	6,422	$	—	$	6,422	$	—	$	7,792	$	—	$	7,792
(1) Interest rate swaps are valued based on observable market swap rates and are classified within Level 2 of the fair value hierarchy.