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Change in Estimate (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Dec. 27, 2013
Dec. 28, 2012
Dec. 27, 2013
Dec. 28, 2012
Change in Accounting Estimate [Line Items]        
Modification of estimate     $ 12,439  
Gross revenue 122,592 104,470 229,166 212,756
Net service revenue 91,131 75,254 172,383 150,470
Insurance recoveries 305 913 12,605 2,657
Scenario, Adjustment [Member]
       
Change in Accounting Estimate [Line Items]        
Gross revenue     5,093  
Net service revenue     7,346  
Insurance recoveries     $ 12,439