Summary of Recognition of Revenue Related To Deferred Revenue (Detail 1) $ in Millions	Mar. 31, 2022 USD ($)
N C M Screen Advertising Advances
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Remaining performance obligation	$ 343.8	[1]

[1] Amounts are net of the estimated interest to be accrued for the periods presented. See discussion of significant financing component below.