Earnings per share (Tables)
|12 Months Ended|
Sep. 30, 2020
|Earnings Per Share [Abstract]|
|Schedule of the components of basic and diluted earnings per share||
The weighted average number of shares outstanding used to compute earnings per share was as follows:
Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.
Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef