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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2016

Earnings Per Share [Abstract]

Summary of Earnings Per Share

Per share amounts are computed as follows:

		Three Months Ended September 30								Nine Months Ended September 30
		2016				2015				2016				2015
Numerator (in millions):
Net income available to common stockholders		$	11.4			$	35.6			$	59.2			$	88.0
Denominator (in thousands):
Weighted average common shares outstanding			23,977				24,121				23,989				24,162
Dilutive effect of stock options and awards			499				490				473				498
Denominator for diluted earnings per share			24,476				24,611				24,462				24,660
Net income per share, basic:		$	0.48			$	1.48			$	2.47			$	3.64
Net income per share, diluted:		$	0.47			$	1.45			$	2.42			$	3.57

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- References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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