Leases - Lease Liability Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Operating Leases, After Adoption of 842
Fiscal 2021	$ 26,047
Fiscal 2022	21,925
Fiscal 2023	17,109
Fiscal 2024	14,384
Fiscal 2025	9,004
Thereafter	17,131
Total future undiscounted lease payments	105,600
Less imputed interest	(9,606)
Total reported lease liability	95,994
Finance Leases, After Adoption of 842
Fiscal 2021	2,397
Fiscal 2022	2,240
Fiscal 2023	784
Fiscal 2024	0
Fiscal 2025	0
Thereafter	0
Total future undiscounted lease payments	5,421
Less imputed interest	(159)
Total reported lease liability	$ 5,262
Operating Leases, Before Adoption of 842
Fiscal 2020		$ 19,842
Fiscal 2021		19,969
Fiscal 2022		17,677
Fiscal 2023		16,940
Fiscal 2024		14,887
Thereafter		24,431
Total minimum lease payments		113,746
Capital Leases, Before Adoption of 842
Fiscal 2020		1,935
Fiscal 2021		1,934
Fiscal 2022		1,934
Fiscal 2023		0
Fiscal 2024		0
Thereafter		0
Total minimum lease payments		5,803
Less amount representing interest		(379)
Present value of minimum lease payments		$ 5,424