Earnings Per Share (Details) - USD ($) $ in Millions |
3 Months Ended | |||
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Dec. 31, 2015 |
Dec. 31, 2014 |
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| Income per common share | ||||
| Net income | [1] | $ 20.0 | $ 29.5 | |
| Effect of dilutive stock options and other unvested equity awards (in millions) | 600,000 | 800,000 | ||
| Weighted average shares outstanding (diluted - in millions) | 63,800,000 | 63,900,000 | ||
| Shares with anti-dilutive effect excluded from the computation of diluted earnings per share (in millions) | 500,000 | 400,000 | ||
| Performance-based stock awards | ||||
| Income per common share | ||||
| Shares with anti-dilutive effect excluded from the computation of diluted earnings per share (in millions) | 1,300,000 | 1,400,000 | ||
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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