Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Lease Expense Components

The components of lease expense were as follows:

	Year ended December 31,
Lease cost	2020		2019
Operating lease cost(1):
Fixed lease expense	$	541,090	$	526,352
Variable lease expense	122,729		119,740
Financing lease cost:
Amortization of leased assets	24,720		23,724
Interest on lease liabilities	14,421		14,932
Net lease cost	$	702,960	$	684,748

(1) Includes short-term lease expense and sublease income, which are immaterial.

Leases Other Information

Other information related to leases was as follows:

	Year ended December 31,
Lease term and discount rate	2020		2019
Weighted average remaining lease term (years):
Operating leases	8.7		9.0
Finance leases	10.5		10.2
Weighted average discount rate:
Operating leases	3.8	%	4.1	%
Finance leases	5.1	%	5.4	%

	Year ended December 31,
Other information	2020		2019
Gains on sale leasebacks, net	$	34,301	$	20,833
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	661,318	$	637,655
Operating cash flows for finance leases	$	20,981	$	22,257
Financing cash flows for finance leases	$	24,780	$	25,692
Net operating lease assets obtained in exchange for new or modified operating lease liabilities	$	401,559	$	432,074

Schedule Of Minimum Lease Payments

Future minimum lease payments under non-cancellable leases as of December 31, 2020 are as follows: 

	Operating leases		Finance leases
2021	$	480,439	$	35,039
2022	504,789		35,124
2023	464,023		35,645
2024	412,419		35,669
2025	361,447		35,539
Thereafter	1,437,965		174,907
Total future minimum lease payments	3,661,082		351,923
Less portion representing interest	(552,915)		(77,631)
Present value of lease liabilities	$	3,108,167	$	274,292