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Organization and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Basic and Diluted Net Income (Loss) per Share

The following table sets forth the computation of basic and diluted net income per share for the periods shown.

			Three Months Ended June 30,												Six Months Ended June 30,
(In millions)			2021						2020						2021						2020
Net income			$	62.9					$	46.3					$	103.2					$	66.2
Net income per common share
Basic			$	0.65					$	0.49					$	1.07					$	0.71
Diluted			$	0.63					$	0.48					$	1.04					$	0.69
Basic weighted average shares outstanding			96.7						93.8						96.5						92.8
Dilutive potential common stock outstanding:
Restricted stock units			0.4						0.9						0.5						1.1
Warrants			2.5						2.3						2.5						1.7
Senior convertible notes			—						—						—						—
Diluted weighted average shares outstanding			99.6						97.0						99.5						95.6

Schedule of Outstanding Anti-dilutive Securities Excluded from Diluted Net Income (Loss) per Share

Outstanding anti-dilutive securities not included in the diluted net income per share attributable to common stockholders calculations were as follows:

			Three Months Ended June 30,												Six Months Ended June 30,
(In millions)			2021						2020						2021						2020
Restricted stock units			—						—						—						0.1
Warrants			—						—						—						—
Senior convertible notes			7.2						8.7						7.2						9.5
Total			7.2						8.7						7.2						9.6

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- References

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ 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
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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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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