Intangible Assets Narrative (Details) - Intangible Assets $ in Millions |
3 Months Ended | 6 Months Ended | |||
---|---|---|---|---|---|
Jun. 30, 2022
USD ($)
Displays
|
Jun. 30, 2021
USD ($)
|
Jun. 30, 2022
USD ($)
Displays
|
Jun. 30, 2021
USD ($)
|
Dec. 31, 2021
USD ($)
|
|
Finite-Lived Intangible Assets [Line Items] | |||||
Gross | $ 2,059.2 | $ 2,059.2 | $ 1,836.7 | ||
Amortization | 17.3 | $ 16.3 | $ 32.1 | $ 32.7 | |
Series of Individually Immaterial Asset Acquisitions | |||||
Finite-Lived Intangible Assets [Line Items] | |||||
Intangible asset, useful life | 16 years 6 months | ||||
Permits and leasehold agreements | |||||
Finite-Lived Intangible Assets [Line Items] | |||||
Gross | 1,522.0 | $ 1,522.0 | $ 1,303.6 | ||
Permits and leasehold agreements | Series of Individually Immaterial Asset Acquisitions | |||||
Finite-Lived Intangible Assets [Line Items] | |||||
Gross | $ 220.0 | $ 220.0 | |||
Permits and leasehold agreements | Static and Digital Displays | Series of Individually Immaterial Asset Acquisitions | Minimum | |||||
Finite-Lived Intangible Assets [Line Items] | |||||
Approximate number of displays acquired | Displays | 1,000 | 1,000 |