Basis of Presentation and Preparation - Property and Equipment (Details)	12 Months Ended
Sep. 30, 2018
Equipment \| Minimum
Estimated useful lives
Estimated useful lives	3 years
Equipment \| Maximum
Estimated useful lives
Estimated useful lives	10 years
Furniture and fixtures \| Minimum
Estimated useful lives
Estimated useful lives	3 years
Furniture and fixtures \| Maximum
Estimated useful lives
Estimated useful lives	10 years
Buildings \| Maximum
Estimated useful lives
Estimated useful lives	40 years

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration