XML 146 R102.htm IDEA: XBRL DOCUMENT v3.7.0.1
Capital Stock (Narrative - Share Based Compensation) (Details) - USD ($)
12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Excess tax benefits on equity-based compensation awards $ 0 $ 0  
Performance Incentive Plan of 2012      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized for compensation plans (in shares) 31,600,000.0    
Shares available for future issuance (in shares) 752,057    
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercised, total intrinsic value $ 30,000,000 $ 15,600,000 $ 11,200,000
Shares cancelled to fund withholding tax obligations on option exercises (in shares) 819,503 93,210 70,243
Restricted Share Units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares withheld for tax purposes upon vesting of restricted share units (in shares) 1,006,888 636,136 615,111
Stock Compensation Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Other share-based compensation granted in period, fair value $ 1,100,000 $ 1,300,000 $ 1,700,000
Shares issued, net of shares for tax withholdings (in shares) 28,257 19,578 32,503
Common Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Excess tax benefits on equity-based compensation awards     $ 0
Class B Non-Voting Shares | Starz Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized for compensation plans (in shares) 30,300,000