Leases (Leases, Lessee Disclosures) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Leases [Abstract]
Amortization of ROU assets	$ 3,420
Interest on lease liabilities	518
Operating lease cost	4,215
Short-term lease cost	837
Variable lease cost	0
Sublease income	(14)
Total lease cost	8,976
Operating cash flows from finance leases	520
Operating cash flows from operating leases	4,154
Financing cash flows from finance leases	3,346
ROU assets obtained in exchange for new operating lease liabilities	$ 1,782	$ 2,584
Weighted average remaining lease term - finance leases	3 years 11 months
Weighted average remaining lease term - operating leases	4 years 11 months
Weighted average discount rate - finance leases	5.00%
Weighted average discount rate - operating leases	4.53%