v2.4.0.6
Line of Credit (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Dec. 31, 2012
Credit Agreement with PNC Bank
Dec. 31, 2012
Credit Agreement with PNC Bank
Prime rate
Dec. 31, 2012
Credit Agreement with PNC Bank
Federal funds rate
Dec. 31, 2012
Credit Agreement with PNC Bank
LIBOR
Dec. 31, 2012
Credit Agreement with PNC Bank
LIBOR
Maximum
Dec. 31, 2012
Letter of credit facility
Jun. 30, 2012
Letter of credit facility
Line of credit              
Maximum borrowing capacity $ 35            
Interest rate base   prime rate federal funds rate LIBOR Eurocurrency liabilities    
Interest rate spread added to base rate (as a percent)     0.50% 1.00% 1.75%    
Interest rate adjustment for reserve requirements of Federal Reserve (as a percent)       100.00%      
Amount reserved for letter of credit           $ 0.3 $ 0.3