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Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Computation of Basic and Diluted Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share:

		Three Months Ended September 30,								Nine Months Ended September 30,
		2021				2020				2021				2020
Numerator:
Net income		$	132.4			$	91.7			$	401.2			$	234.5
Denominator:
Shares used in net income per common share – basic			55.5				55.2				55.4				55.1
Effect of dilutive securities:
Restricted stock units and stock appreciation rights			0.2				0.2				0.3				0.2
Shares used in net income per common share – diluted			55.7				55.4				55.7				55.3
Net income per common share:
Basic		$	2.39			$	1.66			$	7.24			$	4.26
Diluted		$	2.38			$	1.66			$	7.21			$	4.24

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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=124432515&loc=d3e3550-109257

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