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Intangible Assets and Goodwill (Tables)

3 Months Ended

Mar. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Carrying Amount of Intangible Assets

The following table summarizes the carrying amount of intangible assets as of March 31, 2025 and December 31, 2024:

	As of
	March 31, 2025		December 31, 2024
	(Dollars in millions)
Acquired contractual rights	$925.0		$922.7
Accumulated amortization	(425.7)		(392.2)
Finite-lived intangible assets, net	499.3		530.5
Goodwill	103.9		103.6
Intangible Assets, net	$603.2		$634.1

Schedule of Estimated Amortization Expense

The following table summarizes the expected amortization expense for 2025 through 2029 and thereafter (Dollars in

millions):

Year ending December 31,
2025 (excluding the three months ended March 31, 2025)	$98.6
2026	131.3
2027	121.1
2028	114.0
2029	31.8
Thereafter	2.5
	$499.3

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- References

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- Definition

Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/350-30/tableOfContent

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 20
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/350-20/tableOfContent

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- Definition

Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 40
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482640/350-30-55-40

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

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