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Earnings (Loss) per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

									Three Months Ended March 31,
In millions, except share and per share data															2023						2022
Net income (loss)															$	50.7					$	60.8
Basic and Diluted earnings (loss) per share
Basic earnings (loss) per share															$	1.36					$	1.56
Diluted earnings (loss) per share															1.35						1.55
Shares (in thousands)
Weighted average number of common shares outstanding - Basic															37,169						39,010
Weighted average additional shares assuming conversion of potential common shares															377						254
Shares - diluted basis															37,546						39,264

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 March 31,
In thousands															2023						2022
Average number of potential common shares - antidilutive															182						255

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- References

No definition available.

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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 https://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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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