v3.3.1.900
GOODWILL (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Feb. 27, 2015
Sep. 30, 2015
Legacy System contributed by Azure    
Business Acquisition [Line Items]    
IDR units issued as payment (in shares) 90  
Legacy System contributed by Azure | Azure    
Business Acquisition [Line Items]    
IDR units issued as payment (in shares) 90  
The Partnership (acquiree)    
Business Acquisition [Line Items]    
Goodwill recorded $ 215.8  
Impairments   $ 215.8
The Partnership (acquiree) | Maximum    
Business Acquisition [Line Items]    
All-time unit price (in dollars per share) $ 23.80