XML 54 R43.htm IDEA: XBRL DOCUMENT v3.4.0.3
Stockholders Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Restricted stock based compensation      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Restricted common stock units issued by CCA to certain of its employees and non-employee directors 602,000   438,000
Fair value of restricted common stock units issued by CCA to certain of its employees and non-employee directors $ 17.4   $ 17.5
Allocated share-based compensation expense $ 3.7 $ 3.4  
Restricted common stock units remained outstanding and subject to vesting 1,200,000    
Restricted stock based compensation | Officers And Executive Officers      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Vesting period 3 years    
Performance criteria, cumulative period 3 years    
Percent of awards eligible to vest 33.33%    
Restricted stock based compensation | Other Employees      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Vesting period, continuous service requirement 3 years    
Restricted stock based compensation | Non Employee Directors      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Vesting period 1 year    
Restricted stock based compensation | General and Administrative      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Restricted common stock units issued by CCA to certain of its employees and non-employee directors 529,000   385,000
Allocated share-based compensation expense $ 3.2 3.0  
Restricted stock based compensation | Operating      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Restricted common stock units issued by CCA to certain of its employees and non-employee directors 73,000   53,000
Allocated share-based compensation expense $ 0.5 0.4  
Stock options      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Common stock options outstanding 1,400,000    
Weighted average exercise price of common stock outstanding $ 20.46    
Stock options | General and Administrative      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
Expense net of estimated forfeitures, relating to common stock options $ 0.1 $ 0.4