Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of fair value assets measured on a non-recurring basis

The following table presents the period-end balances of assets measured at fair value for each hierarchy level:

in thousands	Level 1		Level 2		Level 3		Total
As of September 30, 2023
Deferred compensation plan assets(a)	$	6,495	$	—	$	—	$	6,495
As of September 30, 2022
Deferred compensation plan assets(a)	$	—	$	3,179	$	—	$	3,179
As of September 30, 2021
Deferred compensation plan assets(a)	$	—	$	2,730	$	—	$	2,730

(a) Amount is measured at fair value on a recurring basis and included in other assets within the consolidated balance sheets.

Schedule of carrying values and estimated fair values of other financial assets and liabilities

The following table presents the carrying value and estimated fair value of certain other financial liabilities as of September 30, 2023 and 2022:

	September 30, 2023				September 30, 2022
in thousands	Carrying Amount(a)		Fair Value		Carrying Amount(a)		Fair Value
Senior Notes(b)	$	903,691	$	858,528	$	911,170	$	753,338
Junior Subordinated Notes(c)	74,337		74,337		72,270		72,270
Total	$	978,028	$	932,865	$	983,440	$	825,608

(a) Carrying amounts are net of unamortized debt issuance costs or accretion.

(b) The estimated fair value for our publicly-held Senior Notes has been determined using quoted market rates (Level 2).

(c) Since there is no trading market for our Junior Subordinated Notes, the fair value of these notes is estimated by discounting scheduled cash flows through maturity (Level 3). The discount rate is estimated using market rates currently being offered on loans with similar terms and credit quality. Judgment is required in interpreting market data to develop these estimates of fair value. Accordingly, the estimates presented herein are not necessarily indicative of the amounts that we could realize in a current market exchange.