Leases (Tables)

6 Months Ended

Mar. 31, 2020

Leases [Abstract]

Lease Costs

Costs recorded in the three and six months ended March 31, 2020, are summarized below.

(dollars in thousands)	Three Months Ended March 31, 2020		Six Months Ended March 31, 2020
Operating lease cost	$	23,437	$	48,687
Short-term lease cost	1,454		3,564
Variable lease cost	1,954		5,288
Total operating lease costs	$	26,845	$	57,539

Future Minimum Lease Payments

Future minimum lease payments for noncancelable operating leases as of March 31, 2020 are shown below.

(dollars in thousands)	Office space		Equipment		Total
For the years ended September 30,
Remainder of 2020	$	42,136	$	3,832	$	45,968
2021	60,372		6,295		66,667
2022	39,752		2,353		42,105
2023	26,490		98		26,588
2024	11,193		40		11,233
Thereafter	6,989		—		6,989
Total minimum lease payments	$	186,932	$	12,618	$	199,550
Less imputed interest	(11,183)		(372)		(11,555)
Total lease liabilities	$	175,749	$	12,246	$	187,995