XML 57 R39.htm IDEA: XBRL DOCUMENT
v3.23.3

Earnings Per Share (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2023
Earnings Per Share |
Schedule of reconciliation of the denominators for basic and diluted EPS | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fiscal Year Ended
​ | ​ | September 30, |  | September 30, |  | September 30,
​ |  | 2023 | ​ | 2022 | ​ | 2021
​ | ​ | (in millions)
Denominator for basic earnings per share | ​ | 138.6 |  | 140.8 |  | 147.3
Potential common shares | ​ | 1.5 |  | 1.9 |  | 2.4
Denominator for diluted earnings per share | ​ | 140.1 |  | 142.7 |  | 149.7
​

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration