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Commitment and Contingencies - Contractual Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018
Total Obligations
Total Obligations	$ 87,262
Next 12 Months	5,832
2-3 Years	18,861
4-5 Years	60,336
More than 5 Years	2,233
Facility leases
Operating Leases
Next 12 Months	4,486
2-3 Years	8,361
4-5 Years	6,086
More than 5 Years	2,233
Equipment operating leases
Operating Leases
Total operating leases	33
Next 12 Months	33
2-3 Years	0
4-5 Years	0
More than 5 Years	0
Debt obligations
Debt obligations
Total bank debt obligation	66,063	$ 7,708
Next 12 Months	1,313
2-3 Years	10,500
4-5 Years	54,250
More than 5 Years	$ 0

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