XML 46 R35.htm IDEA: XBRL DOCUMENT v3.25.3

Capital Stock and Equity Compensation (Tables)

9 Months Ended

Sep. 30, 2025

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Stockholders Equity

(Dollars in millions, except shares and per share amounts)
Period						Total Number of Shares Purchased						Average Price Paid per Share						Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs						Approximate Dollar Value of Shares that May Yet be Purchased under the Plans or Programs
July 1, 2025 to July 31, 2025						—						$	—					—						$	76.1
August 1, 2025 to August 31, 2025						137,879						$	72.50					137,879						$	66.1
September 1, 2025 to September 30, 2025						—						$	—					—						$	66.1

Schedule of Share-Based Payment Arrangement, Expensed and Capitalized, Amount

The components of equity compensation expense were as follows:

			Three Months Ended												Nine Months Ended
(Dollars in millions)			September 30, 2025						September 30, 2024						September 30, 2025						September 30, 2024
Performance-based restricted stock units expense			$	(0.7)					$	1.4					$	3.2					$	4.7
Time-based restricted stock units expense			1.1						1.9						4.6						5.9
Deferred stock units expense			0.4						—						0.6						1.3
Other			—						0.2						0.3						0.4
Total equity compensation expense			$	0.8					$	3.5					$	8.7					$	12.3

Schedule of Weighted-Average Assumptions Used

The following table sets forth the assumptions used in the Monte Carlo calculation for each material award granted in 2025 and 2024:

			February 26, 2025						February 19, 2024						February 13, 2024
Expected volatility			45.6%						46.3%						46.2%
Expected term (in years)			2.9						2.9						2.9
Risk-free interest rate			4.28%						4.35%						4.35%

Schedule of Restricted Stock and Restricted Stock Activity

A summary of activity of the outstanding performance-based restricted stock units for the nine months ended September 30, 2025 is presented below:

			Performance-Based Restricted Stock Units
Awards outstanding as of December 31, 2024			109,106
Awards granted			83,834
Stock issued			—
Awards forfeited/cancelled			(75,581)
Awards outstanding as of September 30, 2025			117,359

A summary of activity of the outstanding time-based restricted stock units for the nine months ended September 30, 2025 is presented below:

			Time-Based Restricted Stock Units
Awards outstanding as of December 31, 2024			110,745
Awards granted			112,875
Stock issued			(48,324)
Awards forfeited/cancelled			(50,174)
Awards outstanding as of September 30, 2025			125,122

A summary of activity of the outstanding deferred stock units for the nine months ended September 30, 2025 is presented below:

			Deferred Stock Units
Awards outstanding as of December 31, 2024			11,900
Awards granted			22,616
Stock issued			(10,950)
Awards outstanding as of September 30, 2025			23,566

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (f)(2)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

+ Details

Name:	us-gaap_ScheduleOfStockholdersEquityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration