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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2024

Share-Based Payment Arrangement [Abstract]

Summary of Components of Stock-Based and Stock-Related Compensation

The following table recaps the impact of stock-based compensation on the results of operations for each of the periods presented:

			Nine Months Ended   September 30, 2024												Nine Months Ended   September 30, 2023
			To be settled with stock						To be settled in cash						To be settled with stock						To be settled in cash
Executive Stock Unit (ESU) Program matching contributions			$	2.6					$	.5					$	1.9					$	.5
Discounts on various stock awards			2.3						—						2.5						—
Performance Stock Unit awards			—						(.5)						2.2						.5
Restricted Stock Unit awards			10.0						—						7.0						—
Other, primarily non-employee directors restricted stock			1.4						—						1.3						—
Total stock-based compensation expense (income)			16.3						$	—					14.9						$	1.0
Employee contributions for above stock plans			5.9												6.8
Total stock-based compensation			$	22.2											$	21.7
Tax benefits on stock-based compensation expense			$	4.0											$	3.6
Tax (expense)/benefits on stock-based compensation payments			(1.1)												.3
Total tax benefits associated with stock-based compensation			$	2.9											$	3.9

			Three Months Ended												Three Months Ended
			September 30, 2024												September 30, 2023
			To be settled with stock						To be settled in cash						To be settled with stock						To be settled in cash
Executive Stock Unit (ESU) Program matching contributions			$	1.0					$	.2					$	.1					$	.2
Discounts on various stock awards			.5						—						.7						—
Performance Stock Unit awards			(.2)						.2						.3						(.3)
Restricted Stock Unit awards			.8						—						.9						—
Other, primarily non-employee directors restricted stock			.3						—						.4						—
Total stock-based compensation expense (income)			2.4						$	.4					2.4						$	(.1)
Employee contributions for above stock plans			2.0												2.8
Total stock-based compensation			$	4.4											$	5.2
Tax benefits on stock-based compensation expense			$	.6											$	.6
Tax (expense)/benefits on stock-based compensation			.1												—
Total tax benefits associated with stock-based compensation			$	.7											$	.6

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- References

No definition available.

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- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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

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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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