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Summary of Significant Accounting Policies (Details 2) (USD $)
12 Months Ended
Jan. 02, 2013
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Customer concentration risk
item
Jun. 30, 2011
Customer concentration risk
item
Jun. 30, 2010
Customer concentration risk
item
Jun. 30, 2012
Accounts receivable
item
Jun. 30, 2011
Accounts receivable
item
Jun. 30, 2012
Managed Schools
Jun. 30, 2011
Managed Schools
Jun. 30, 2010
Managed Schools
Concentration of revenues                      
Percentage of revenues recognized from schools                 84.00% 85.00% 97.00%
Concentration risk (as a percent)             11.00% 12.00%      
Concentration risk, customer one (as a percent)       13.00% 13.00% 13.00%          
Concentration risk, customer two (as a percent)       12.00% 13.00% 13.00%          
Number of customers with concentration       2 2 2 1 1      
Cash and Cash Equivalents                      
Insurance coverage per depositor at each financial institution $ 250,000                    
Inventories                      
Excess and obsolete inventory reserve   $ 4,500,000 $ 2,900,000