Leases

Substantially all our operating lease right-of-use assets and operating lease liability represents leases for office space used to conduct our business. Finance leases represent substantially all our office furniture and technology equipment.

The components of lease cost for operating and finance leases for the three months ended March 31, 2019 were (in millions):



Operating leases:
Lease cost	$	75.5
Variable lease cost	10.1
Sublease income	(1.3		)
Operating lease expense	84.3

Short-term lease rent expense	1.4

Finance leases:
Amortization of right-of-use use assets	10.2
Interest on lease liability	1.2
	11.4

Total lease cost	$	97.1

The right-of-use assets for operating and finance leases at March 31, 2019 were comprised of the following (in millions):



	Real Estate		Equipment		Total
Operating leases	$	1,274.2	$	24.6	$	1,298.8
Finance leases	—		127.6		127.6

The weighted average remaining lease term and the weighted average discount rate for operating and finance leases at March 31, 2019 was:



	Operating Leases		Finance Leases
Weighted average remaining lease term (years)	8.4		3.2
Weighted average discount rate	3.9	%	4.0	%

The following table reconciles the undiscounted cash flows for the operating and finance leases at March 31, 2019 to the operating and finance lease liabilities recorded on the balance sheet (in millions):



	Operating Leases		Finance Leases
2019 Remainder	$	232.2	$	32.9
2020	274.7		40.6
2021	234.8		31.9
2022	189.1		18.3
2023	148.0		8.1
2024	130.7		3.5
Thereafter	540.1		1.8
Total undiscounted lease payments	1,749.6		137.1
Less: Imputed interest	275.6		6.8
Present value of lease payments	$	1,474.0	$	130.3

Other current liabilities	$	256.0	$	40.5
Long-term liability - Operating leases	1,218.0		—
Long-term liabilities	—		89.8