Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Lease Expense, Term and Discount Rate

The components of lease expense are as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
In millions	2021		2020		2021		2020
Operating lease expense	$	15.3	$	14.1	$	43.8	$	42.9
Finance lease expense amortization of leased assets	0.2		0.3		0.4		0.9
Short-term and variable lease expense	0.1		—		0.4		0.1
Sublease income	(0.1)		(0.1)		(0.3)		(0.3)
Total	$	15.5	$	14.3	$	44.3	$	43.6

The following table summarizes the remaining lease term and discount rate assumptions used to develop the present value of lease liabilities:

	September 30, 2021		December 31, 2020
Weighted-average remaining lease term (years)
Operating leases	8.1		7.4
Finance leases	3.5		4.5
Weighted-average discount rate
Operating leases	2.4	%	2.7	%
Finance leases	1.4	%	1.4	%

Maturity of Operating Lease Liabilities

Scheduled payments of lease liabilities are as follows:

In millions	Operating Leases		Finance Leases		Total
Remaining 2021	$	15.4	$	0.2	$	15.6
2022	58.1		0.8		58.9
2023	51.9		0.5		52.4
2024	46.9		0.3		47.2
2025	40.3		0.2		40.5
Thereafter	148.1		0.1		148.2
Total lease payments	360.7		2.1		362.8
Less: Present value discount	(29.2)		—		(29.2)
Present value of lease liabilities	$	331.5	$	2.1	$	333.6

Maturity of Finance Lease Liabilities

Scheduled payments of lease liabilities are as follows:

In millions	Operating Leases		Finance Leases		Total
Remaining 2021	$	15.4	$	0.2	$	15.6
2022	58.1		0.8		58.9
2023	51.9		0.5		52.4
2024	46.9		0.3		47.2
2025	40.3		0.2		40.5
Thereafter	148.1		0.1		148.2
Total lease payments	360.7		2.1		362.8
Less: Present value discount	(29.2)		—		(29.2)
Present value of lease liabilities	$	331.5	$	2.1	$	333.6