(Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Operating Assets and Liabilities, Weighted-Average Remaining Term and Discount Rate, Lessee

The following table summarizes the carrying amounts of our operating leased assets and liabilities at December 31, along with key inputs used to discount our lease liabilities:

(millions)	2022			2021
Operating lease assets	$	130.5		$	172.6
Operating lease liabilities	$	137.2		$	180.9
Weighted-average remaining term	2.5 years			2.9 years
Weighted-average discount rate	2.0		%	1.6		%

Minimum Commitments under Noncancelable Operating Lease Agreements

At December 31, 2022, the following table shows our operating lease liabilities, on an undiscounted basis for the periods indicated:

(millions)	Commitments
2023	$	69.0
2024	46.7
2025	17.0
2026	5.0
2027	1.4
Thereafter	1.8
Total	140.9
Interest	(3.7)
Present value of lease liabilities	$	137.2

Lease, Cost

The operating lease expense for the years ended December 31, was as follows: 

(millions)	Expense
2022	$	89.1
2021	90.4
2020	95.4