Lease right-of-use (ROU) assets and liabilities and the weighted-average lease terms and discount rates are as follows:


dollars in millions	Classification on the Balance Sheet	September 30 2025			December 31 2024			September 30 2024
Assets 1
Operating lease ROU assets		$	706.6		$	673.2		$	651.4
Accumulated amortization		(157.6)			(146.8)			(143.1)
Operating leases, net	Operating lease right-of-use assets, net	549.0			526.4			508.3
Finance lease ROU assets		44.3			54.7			55.8
Accumulated depreciation		(21.6)			(24.3)			(23.2)
Finance leases, net	Property, plant & equipment, net	22.7			30.4			32.6
Total lease assets		$	571.7		$	556.8		$	540.9
Liabilities 1
Current
Operating	Other current liabilities	$	49.4		$	49.3		$	48.7
Finance	Other current liabilities	8.2			10.7			11.4
Noncurrent
Operating	Noncurrent operating lease liabilities	540.1			521.4			503.5
Finance	Other noncurrent liabilities	5.3			9.7			11.8
Total lease liabilities		$	603.0		$	591.1		$	575.4
Lease Term and Discount Rate
Weighted-average remaining lease term (years)
Operating leases		18.9			18.9			19.1
Finance leases		2.1			2.2			2.3
Weighted-average discount rate
Operating leases		4.8		%	4.5		%	4.4		%
Finance leases		3.8		%	3.2		%	3.1		%

1Balances at September 30, 2025 include lease assets and liabilities classified as held for sale as detailed in Note 16.

The components of lease expense are as follows:


	Three Months Ended September 30				Nine Months Ended September 30
in millions	2025		2024		2025		2024
Finance lease cost
Depreciation of right-of-use assets	$	2.0	$	2.3	$	6.2	$	7.2
Interest on lease liabilities	0.1		0.2		0.4		0.5
Operating lease cost	20.3		19.0		60.9		56.6
Short-term lease cost 1	12.6		12.2		36.7		34.9
Variable lease cost	5.8		5.5		14.4		15.1
Sublease income	(0.8)		(0.7)		(2.4)		(2.0)
Sale and leaseback gain	0.0		0.0		(4.6)		0.0
Total lease expense	$	40.0	$	38.5	$	111.6	$	112.3