XML 20 R26.htm IDEA: XBRL DOCUMENT v2.4.0.8
Long-term Debt (Details) (USD $)
 1 Months Ended 6 Months Ended 1 Months Ended 3 Months Ended
Sep. 30, 2013
Mar. 31, 2013
Feb. 29, 2012
Credit facility
Sep. 30, 2013
Credit facility
Q
tier
Sep. 30, 2013
Credit facility
Minimum
Sep. 30, 2013
Credit facility
Maximum
Sep. 30, 2013
Credit facility
LIBOR
Sep. 30, 2013
Credit facility
LIBOR
Minimum
Sep. 30, 2013
Credit facility
LIBOR
Maximum
Sep. 30, 2013
Credit facility
CBFR using bank prime rate
Sep. 30, 2013
Credit facility
CBFR using bank prime rate
Minimum
Sep. 30, 2013
Credit facility
CBFR using bank prime rate
Maximum
Sep. 30, 2013
Credit facility
CBFR using one month LIBOR
Sep. 30, 2013
Credit facility
CBFR using one month LIBOR
Minimum
Sep. 30, 2013
Credit facility
CBFR using one month LIBOR
Maximum
Feb. 29, 2012
Letters of credit
May 31, 2012
Revolving line of credit
Sep. 30, 2013
Revolving line of credit
Mar. 31, 2013
Revolving line of credit
Feb. 29, 2012
Revolving line of credit
Debt                                        
Line of credit                                     $ 4,000,000  
Long-term portion   4,000,000                                    
Effective rate of interest (as a percent) 1.50%                                      
Debt instrument, term     3 years                                  
Maximum borrowing capacity                               1,000,000       20,000,000
Description of variable rate basis             LIBOR     Prime rate     One month LIBOR              
Spread on variable rate (as a percent)               1.25% 2.00%   (0.50%) (1.25%) 2.50% (0.50%) (1.25%)          
Unused capacity fee (as a percent)         0.15% 0.30%                            
Number of trailing quarters of EBITDA used to calculate ratio of funded debt to EBITDA       4                                
High end of ratio of funded debt to the entity's trailing four quarters of EBIDTA for unused capacity fees         2                              
Low end of ratio of funded debt to the entity's trailing four quarters of EBIDTA for unused capacity fees           1                            
Number of defined tiers of ratio of funded debt to EBITDA       4                                
Ratio of funded debt to EBIDTA required to be maintained       2.5                                
Fixed charge coverage ratio, required to be maintained         1.5                              
Borrowings for facilitating acquisition                                 11,000,000      
Principal repayments                                   1,500,000    
Outstanding borrowings                                   $ 0