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Earnings (Loss) per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

			Three Months Ended June 30,																		Six Months Ended June 30,
In millions, except share and per share data			2020						2019						2020						2019
Net income (loss)			$	20.2					$	56.8					$	65.5					$	79.5
Basic and Diluted earnings (loss) per share
Basic earnings (loss) per share			$	0.49					$	1.36					$	1.58					$	1.90
Diluted earnings (loss) per share			0.49						1.34						1.57						1.88
Shares (in thousands)
Weighted average number of common shares outstanding - Basic			41,233						41,844						41,463						41,770
Weighted average additional shares assuming conversion of potential common shares			137						358						199						440
Shares - diluted basis			41,370						42,202						41,662						42,210

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following average number of potential common shares were antidilutive, and therefore, were not included in the diluted earnings per share calculation:

			Three Months Ended June 30,																		Six Months Ended June 30,
In thousands			2020						2019						2020						2019
Average number of potential common shares - antidilutive			288						135						286						91

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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=6371337&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=6371337&loc=d3e3550-109257

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