Leases (Tables)

12 Months Ended

Sep. 30, 2022

Components of Operating and Financing Lease Costs

The components of our operating and finance lease costs were as follows (in thousands):

	Year Ended September 30,
	2022		2021
Operating lease costs	$	37,637	$	37,929
Variable and short-term lease costs		5,783		6,708
Interest expense on finance lease liabilities		547		576
Amortization expense of finance lease assets		2,705		2,130
Total lease costs	$	46,672	$	47,343

Schedule of Weighted Average Remaining Terms and Discount Rates for Operating and Financing Leases

The table below presents the weighted average remaining terms and discount rates for our operating and finance leases as of September 30, 2022:

As of September 30, 2022
Finance leases:
Weighted average remaining lease term	7.4 years
Weighted average discount rate		6.1	%
Operating leases:
Weighted average remaining lease term	3.8 years
Weighted average discount rate		4.5	%

Schedule of Future Minimum Rental Payments Under Operating and Finance Leases of Initial or Remaining Non-cancelable Lease Terms

The following table summarizes future minimum rental payments, primarily related to leased aircraft, required under operating and finance leases that had initial or remaining non-cancelable lease terms as of September 30, 2022 (in thousands):

Periods Ending September 30,	Operating Leases			Finance Leases
2023	$	18,356		$	2,730
2024		10,172			7,054
2025		1,564			1,800
2026		1,046			1,800
2027		1,029			1,800
Thereafter		5,054			6,600
Total lease payments		37,221			21,784
Less: imputed interest		(3,256	)		(3,746	)
Amounts recorded in the consolidated balance sheet	$	33,965		$	18,038