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Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2025

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Loss per Common Share

Basic and diluted loss per common share was calculated as follows:

			Year ended December 31,
(dollars and shares in millions, except per common share amounts)			2025						2024						2023
Net loss			$	(80.8)					$	(198.9)					$	(367.3)
Weighted-average common shares outstanding  - basic and diluted			70.9						71.9						55.5
Net loss per common share  - basic and diluted			$	(1.14)					$	(2.77)					$	(6.62)

Schedule of Securities Excluded From Computation of Diluted Net Loss Per Common Share

The Company reported net losses for each of the years ended December 31, 2025, 2024 and 2023, and therefore excluded all stock options and RSUs from the computation of diluted net loss per common share as their inclusion would have had an anti-dilutive effect, as summarized below:

			Year ended December 31,
(shares in millions)			2025						2024						2023
Stock options			8.6						7.9						7.9
RSUs			3.6						2.3						1.2
			12.2						10.2						9.1

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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
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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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
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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