Quarterly report pursuant to Section 13 or 15(d)

Computations of Basic and Diluted Loss Per Share (Detail)

v3.22.2.2
Computations of Basic and Diluted Loss Per Share (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Earnings Per Share Disclosure [Line Items]        
Net loss attributable to Cinemark Holdings, Inc. $ (24.5) $ (77.8) $ (171.9) $ (428.5)
Loss allocated to participating share-based awards (1) [1] 0.4 1.5 2.4 7.6
Net loss attributable to common stockholders $ (24.1) $ (76.3) $ (169.5) $ (420.9)
Basic weighted average common stock outstanding 118,400,000 117,300,000 118,100,000 117,200,000
Diluted common equivalent shares 118,400,000 117,300,000 118,100,000 117,200,000
Basic loss per share attributable to common stockholders $ (0.20) $ (0.65) $ (1.43) $ (3.59)
Diluted loss per share attributable to common stockholders $ (0.20) $ (0.65) $ (1.43) $ (3.59)
Restricted Stock Units (RSUs)        
Earnings Per Share Disclosure [Line Items]        
Common equivalent shares for restricted stock units 180,000 100,000 390,000 100,000
[1] For the three months ended September 30, 2022 and 2021, a weighted average of approximately 1.90 shares and 2.34 shares of restricted stock, respectively, were considered participating securities. For the nine months ended September 30, 2022 and 2021, a weighted average of approximately 1.69 shares and 2.11 shares of restricted stock, respectively, were considered participating securities.