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Acquisitions (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Jul. 02, 2014
Jul. 01, 2014
Jun. 30, 2015
Jun. 30, 2015
Business Acquisition [Line Items]        
Deferred Compensation Arrangement with Individual, Recorded Liability $ 1,719      
Deferred Compensation Arrangement with Individual, Compensation Expense     $ 387  
Business Combination, Indemnification Assets, Amount as of Acquisition Date 6,000      
Videotel [Member]        
Business Acquisition [Line Items]        
Business Combination, Contingent Consideration, Liability $ 47,446      
Business combination, consideration transferred, percentage held in escrow   10.00%    
Business combination, consideration transferred, period escrow held 21 months      
Business Combination, Confidentiality, Non-competition and Non-solicitation Covenants, Period 18 months      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles $ 25,524      
Service revenue since acquisition     11,700 $ 22,100
Business Combination, Pro Forma Information [Abstract]        
Pro forma net revenues     89,202  
Pro forma net income     $ 285  
Basic pro forma net income per share     $ 0.02