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Line Of Credit Modification Agreement (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2015
Mar. 30, 2015
Aug. 31, 2015
Aug. 31, 2011
Aug. 31, 2014
Debt Instrument [Line Items]          
Maturity date Mar. 31, 2018   Jan. 01, 2017    
Outstanding amount on line of credit     $ 0.0   $ 0.0
Revolving Line Of Credit [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 30.0 $ 10.0   $ 10.0  
Maturity date       Aug. 31, 2013  
Percentage added to LIBOR rate 1.85% 2.50%      
Unused commitment fee 0.25% 0.33%      
Maximum asset coverage ratio     150.00%    
Interest rate     2.00%   2.70%
Maximum funded debt to EBITDAR ratio     3.00    
Minimum fixed charge coverage ratio     1.5    
Limit on capital expenditures $ 10.0 $ 5.0 $ 8.0    
Outstanding amount on line of credit     0.0   $ 0.0
Term Loan Payable [Member]          
Debt Instrument [Line Items]          
Maximum borrowing capacity     $ 5.0