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- Legal Proceedings (Details)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 26, 2017
complaint
Oct. 17, 2016
plaintiff
Aug. 17, 2016
complaint
Dec. 29, 2016
complaint
Jul. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Loss Contingencies [Line Items]              
Settlement amount         $ 7,500    
Coupons to be issued for legal settlement         $ 2,000    
Litigation charge           $ 5,725  
Prior year expense amount             $ 1,975
Securities Complaints [Member] | Subsequent Event              
Loss Contingencies [Line Items]              
Number of complaints | complaint     3        
Number of plaintiffs | plaintiff   6          
Derivative Complaints [Member] | Subsequent Event              
Loss Contingencies [Line Items]              
Number of complaints | complaint       2      
Barnes Complaint [Member] | Subsequent Event              
Loss Contingencies [Line Items]              
Number of complaints | complaint 2