Asset Retirement Obligation (Tables)

6 Months Ended

Jun. 30, 2020

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation

The following table sets forth the change in the asset retirement obligations associated with our advertising structures located on leased properties. The obligation is calculated based on the assumption that all of our advertising structures will be removed within the next 50 years. The estimated annual costs to dismantle and remove the structures upon the termination or non-renewal of our leases are consistent with our historical experience.

(in millions)
As of December 31, 2019	$	35.1
Accretion expense	1.3
Additions	0.2
Liabilities settled	(1.2)
Foreign currency translation adjustments	(0.2)
As of June 30, 2020	$	35.2