Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Millions |
3 Months Ended | ||
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Mar. 31, 2018 |
Mar. 31, 2017 |
Dec. 31, 2017 |
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Earnings Per Share [Abstract] | |||
Net income | $ 43.6 | $ 60.9 | |
Weighted average common shares outstanding (in shares) | 73,900,000 | 73,300,000 | |
Dilutive effect of equity awards, based on the treasury stock method (in shares) | 1,600,000 | 1,600,000 | |
Weighted average shares assuming dilution (in shares) | 75,500,000 | 74,900,000 | |
Antidilutive options excluded from computation of diluted net income per share (in shares) | 700,000 | 200,000 | |
Stock repurchase program, shares authorized | 800,000 | ||
Stock repurchase program, shares purchased | 540,000 | ||
Stock purchase program, cost of shares purchased | $ 47.9 | ||
Stock repurchase program, average price per share | $ 88.74 |
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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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- References 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 The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available.
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. 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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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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