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Stock Compensation (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Feb. 28, 2015
Sep. 30, 2015
May. 01, 2010
Long-Term Incentive Plan 2010          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of additional shares authorized (shares)   1,081,200 643,673    
Compensation not yet recognized $ 1.5        
Long-Term Incentive Plan 2010 | Common Stock Class A Non-voting          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized (shares)         1,575,750
Increase of shares authorized for grant (shares) 185,026        
Long-Term Incentive Plan 2010 | Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options granted (usd per share) $ 2.96        
Options, forfeitures in period (shares) 720,000        
Grant date fair value of canceled options $ 3.4        
Long-Term Incentive Plan 2010 | Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options granted in period (shares) 421,394        
Compensation not yet recognized $ 0.8        
Accounts Payable and Other Accrued Expenses | Phantom Share Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Deferred compensation, current liability       $ 3.9  
Employee | Long-Term Incentive Plan 2010 | Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options granted in period (shares) 961,718        
Non-employee Directors | Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period       2 years  
Options, vesting In one year after grant       50.00%  
Options, vesting in two years after grant       50.00%  
Non-employee Directors | Long-Term Incentive Plan 2010 | Restricted stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Options granted in period (shares) 130,000        
Options granted (usd per share) $ 6.17