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ORGANIZATION AND BASIS OF PRESENTATION (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2014
segment
Jun. 30, 2013
Jun. 30, 2012
Schedule of Organization [Line Items]          
Limited partnership, limited partners ownership percentage 99.00% 78.00%      
Payments made in connection with the IPO     $ 2,822 $ 3,089 $ 0
Number of reportable segments     2    
Premier LP
         
Schedule of Organization [Line Items]          
Limited partnership, general partner ownership percentage     22.00%    
Limited partnership, limited partners ownership percentage     78.00%