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CREDIT LINE AND NOTES - 6.00% Convertible Senior Notes (Details)
shares in Millions
3 Months Ended 9 Months Ended
Feb. 19, 2015
USD ($)
d
shares
Mar. 26, 2016
USD ($)
Mar. 26, 2016
USD ($)
Mar. 28, 2015
USD ($)
Jun. 27, 2015
USD ($)
Debt Instrument [Line Items]          
Proceeds from the sale of convertible notes, net     $ 0 $ 61,587,000  
Net carrying value of the liability component   $ 61,855,000 $ 61,855,000   $ 61,246,000
Convertible Notes | 6.00% Convertible Senior Notes due 2020          
Debt Instrument [Line Items]          
Fixed interest rate 6.00% 6.00% 6.00%    
Percentage of stock price the Notes were sold 100.00%        
Proceeds from the sale of convertible notes, net $ 61,600,000        
Offering expenses $ 600,000        
Interest expense   $ 1,200,000 $ 3,500,000    
Interest payments     3,900,000    
Number of threshold trading days | d 20        
Consecutive trading days 30 days        
Threshold trading days 5 days        
Threshold percentage of stock price trigger 130.00%        
Redemption price, percentage 100.00%        
Number of additional shares that can be converted (up to) | shares 11.2        
Contingent obligation for the make-whole premiums $ 0 0 0    
Principal value of the liability component 65,000,000 65,000,000 65,000,000   65,000,000
Unamortized value of the debt discount and issuance costs $ (3,400,000) (3,145,000) (3,145,000)   (3,754,000)
Net carrying value of the liability component   61,855,000 61,855,000   $ 61,246,000
Convertible Notes | 6.00% Convertible Senior Notes due 2020 | Convertible Notes          
Debt Instrument [Line Items]          
Unamortized value of the debt discount and issuance costs   (2,600,000) (2,600,000)    
Debt issuance costs   $ 500,000 $ 500,000