Other Intangible Assets (Tables)
|12 Months Ended|
Sep. 30, 2017
|Goodwill and Intangible Assets Disclosure [Abstract]|
|Components of Gross and Net Acquired Intangible Assets||
The following table summarizes the components of gross and net acquired intangible assets:
Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company.
Reference 1: http://www.xbrl.org/2003/role/presentationRef