Derivatives and Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2025

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]

Recorded Amounts and Estimated Fair Values of Long-term Debt and Derivative Financial Instruments

The recorded amounts and estimated fair values of total debt, excluding unamortized issuance costs and discounts, at December 31 were as follows:

	2025				2024
In millions	Recorded Amount		Fair Value		Recorded Amount		Fair Value
Variable rate debt	$	268.2	$	268.2	$	866.3	$	866.3
Fixed rate debt	1,300.0		1,296.9		1,300.0		1,251.8
Total debt	$	1,568.2	$	1,565.1	$	2,166.3	$	2,118.1

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

Financial assets and liabilities measured at fair value on a recurring basis at December 31 were as follows:

Recurring fair value measurements	2025
In millions	Level 1		Level 2		Level 3		NAV		Total
Cross currency swap liabilities	$	—	$	(36.7)	$	—	$	—	$	(36.7)
Cross currency swap assets	—		0.8		—		—		0.8
Foreign currency contract liabilities	—		(0.3)		—		—		(0.3)
Foreign currency contract assets	—		0.6		—		—		0.6
Deferred compensation plan assets	12.1		—		—		6.7		18.8
Total recurring fair value measurements	$	12.1	$	(35.6)	$	—	$	6.7	$	(16.8)

Recurring fair value measurements	2024
In millions	Level 1		Level 2		Level 3		NAV		Total
Cross currency swap liabilities	$	—	$	(8.4)	$	—	$	—	$	(8.4)
Cross currency swap assets	—		6.8		—		—		6.8
Foreign currency contract liabilities	—		(0.3)		—		—		(0.3)
Foreign currency contract assets	—		0.3		—		—		0.3
Deferred compensation plan assets	10.2		—		—		5.2		15.4
Total recurring fair value measurements	$	10.2	$	(1.6)	$	—	$	5.2	$	13.8