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Long-Term Debt (Details) (USD $)
9 Months Ended 9 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Jul. 01, 2012
Mar. 31, 2013
2010 Credit Facility
LIBOR
Mar. 31, 2013
2010 Credit Facility
ABR
Mar. 31, 2013
2010 Credit Facility
Minimum
LIBOR
Mar. 31, 2013
2010 Credit Facility
Minimum
ABR
Mar. 31, 2013
2010 Credit Facility
Maximum
LIBOR
Mar. 31, 2013
2010 Credit Facility
Maximum
ABR
Apr. 14, 2009
Term loan and revolving credit line
Amended 2008 Credit Facility
Minimum
Apr. 14, 2009
Term loan and revolving credit line
Amended 2008 Credit Facility
Maximum
Apr. 10, 2013
Term loan
Mar. 31, 2013
Term loan
Jul. 01, 2012
Term loan
Apr. 14, 2009
Term loan
Amended 2008 Credit Facility
Jun. 30, 2010
Term loan
2010 Credit Facility
item
Apr. 30, 2010
Term loan
2010 Credit Facility
Apr. 16, 2010
Term loan
2010 Credit Facility
Mar. 31, 2013
Revolving credit line
2010 Credit Facility
Minimum
Mar. 31, 2013
Revolving credit line
2010 Credit Facility
Maximum
Apr. 10, 2013
Revolving credit line
2013 Credit Facility
Apr. 10, 2013
Revolving credit line
2013 Credit Facility
LIBOR
Apr. 10, 2013
Revolving credit line
2013 Credit Facility
ABR
Apr. 10, 2013
Revolving credit line
2013 Credit Facility
Minimum
Apr. 10, 2013
Revolving credit line
2013 Credit Facility
Minimum
LIBOR
Apr. 10, 2013
Revolving credit line
2013 Credit Facility
Maximum
Apr. 10, 2013
Revolving credit line
2013 Credit Facility
Maximum
LIBOR
Jul. 01, 2012
Obligations under capital leases
Long-Term Debt                                                        
Total long-term debt $ 18,000,000   $ 29,256,000                   $ 18,000,000 $ 29,250,000                           $ 6,000
Less current maturities of long-term debt obligations under capital leases 18,000,000   15,756,000                                                  
Long-term debt and obligations under capital leases 0   13,500,000                                                  
Face amount                             92,400,000                          
Maximum borrowing capacity under credit facility                   75,000,000 125,000,000               40,000,000 75,000,000       150,000,000   200,000,000    
Maximum borrowing capacity for working capital under credit facility                                               25,000,000   75,000,000    
Prepayment of debt 58,250,000 67,250,000                   18,000,000         12,100,000                      
Outstanding amount                                   60,000,000                    
Number of quarterly installments                               16                        
Percentage of escalating principal payments in year one                               20.00%                        
Percentage of escalating principal payments in year two                               25.00%                        
Percentage of escalating principal payments in year three                               25.00%                        
Percentage of escalating principal payments in year four                               30.00%                        
Reference rate for variable interest rate       LIBOR ABR                                 LIBOR agent bank?s prime rate          
Percentage points added to the reference rate           3.00% 2.00% 3.75% 2.75%                               1.50%   2.25%  
Amount borrowed under credit facility                                         $ 19,000,000