Quarterly report pursuant to Section 13 or 15(d)

Summary of Changes in Stockholders Equity (Detail)

v3.22.1
Summary of Changes in Stockholders Equity (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Sep. 30, 2020
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance $ 334.5 $ 798.9  
Issuance of share based awards and share based awards compensation expense 5.1 4.7  
Stock withholdings related to share based awards that vested (1.6)    
Net loss (72.5) (208.9)  
Unrealized gain due to fair value adjustments on interest rate swap agreements, net of taxes, net of settlements 18.4 5.7 $ (5.7)
Amortization of accumulated losses for amended swap agreements 1.1 1.1  
Foreign currency translation adjustments 14.4 (9.5)  
Total Equity, Ending Balance 299.4 523.8  
ASU 2020-06      
Shareholders Equity [Line Items]      
Impact of adoption, net of deferred taxes   (68.2)  
Common Stock      
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance 0.1 0.1  
Total Equity, Ending Balance 0.1 0.1  
Treasury Stock      
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance (91.1) (87.0)  
Stock withholdings related to share based awards that vested (1.6)    
Total Equity, Ending Balance (92.7) (87.0)  
Additional Paid-In-Capital      
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance 1,197.8 1,245.6  
Issuance of share based awards and share based awards compensation expense 5.1 4.7  
Total Equity, Ending Balance 1,202.9 1,176.7  
Additional Paid-In-Capital | ASU 2020-06      
Shareholders Equity [Line Items]      
Impact of adoption, net of deferred taxes   (73.6)  
Adjustment to Retained Earnings      
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance (389.4) 27.9  
Net loss (74.0) (208.3)  
Total Equity, Ending Balance (463.4) (175.0)  
Adjustment to Retained Earnings | ASU 2020-06      
Shareholders Equity [Line Items]      
Impact of adoption, net of deferred taxes   5.4  
Retained Earnings      
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance (394.5) (398.7)  
Unrealized gain due to fair value adjustments on interest rate swap agreements, net of taxes, net of settlements 18.4 5.7  
Amortization of accumulated losses for amended swap agreements 1.1 1.1  
Foreign currency translation adjustments 14.4 (9.5)  
Total Equity, Ending Balance (360.6) (401.4)  
Total Cinemark Holdings, Inc.'s Stockholders' Equity      
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance 322.9 787.9  
Issuance of share based awards and share based awards compensation expense 5.1 4.7  
Stock withholdings related to share based awards that vested (1.6)    
Net loss (74.0) (208.3)  
Unrealized gain due to fair value adjustments on interest rate swap agreements, net of taxes, net of settlements 18.4 5.7  
Amortization of accumulated losses for amended swap agreements 1.1 1.1  
Foreign currency translation adjustments 14.4 (9.5)  
Total Equity, Ending Balance 286.3 513.4  
Total Cinemark Holdings, Inc.'s Stockholders' Equity | ASU 2020-06      
Shareholders Equity [Line Items]      
Impact of adoption, net of deferred taxes   (68.2)  
Noncontrolling Interests      
Shareholders Equity [Line Items]      
Total Equity, Beginning Balance 11.6 11.0  
Net loss 1.5 (0.6)  
Total Equity, Ending Balance $ 13.1 $ 10.4