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Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Summary of Earnings Per Share

Per share amounts are computed as follows:

		Three Months Ended June 30								Six Months Ended June 30
		2018				2017				2018				2017
Numerator (in millions):
Net income available to common stockholders		$	21.8			$	26.1			$	44.0			$	43.3
Denominator (in thousands):
Weighted average common shares outstanding			24,409				24,133				24,389				24,110
Dilutive effect of stock options and awards			182				422				195				448
Denominator for diluted earnings per share			24,591				24,555				24,584				24,558
Net income per share, basic:		$	0.89			$	1.08			$	1.80			$	1.80
Net income per share, diluted:		$	0.89			$	1.06			$	1.79			$	1.76

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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://fasb.org/us-gaap/role/ref/legacyRef
-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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