Earnings Per Share and Certain Related Information (Narrative) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
May 04, 2017 |
Mar. 31, 2017 |
Mar. 31, 2017 |
Mar. 17, 2017 |
Jul. 23, 2015 |
|
Earnings Per Share Basic [Line Items] | |||||
Earnings available to participating securities | $ 600,000 | $ 1,400,000 | |||
Amount authorized to be repurchased | $ 500,000,000 | ||||
Quarterly dividend per share | $ 0.15 | ||||
Subsequent Event | |||||
Earnings Per Share Basic [Line Items] | |||||
Quarterly dividend per share | $ 0.15 | ||||
Dividends date declared | May 04, 2017 | ||||
Dividends payment date | Jun. 16, 2017 | ||||
Dividends record date | May 19, 2017 |