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Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Summary of Earnings Per Share

Per share amounts are computed as follows:

		2020				2019				2018
Numerator (in millions):
Net income available to common stockholders		$	28.7			$	112.2			$	85.0
Denominator (in thousands):
Weighted average common shares outstanding			24,563				24,482				24,401
Dilutive effect of stock options and awards			216				246				202
Denominator for diluted earnings per share			24,779				24,728				24,603
Net income per share, basic:		$	1.17			$	4.58			$	3.48
Net income per share, diluted:		$	1.16			$	4.54			$	3.45

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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/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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