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COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
1 Months Ended 6 Months Ended
Feb. 28, 2009
item
Dec. 31, 2008
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Jun. 26, 2016
USD ($)
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Letter of credit      
Additional disclosures      
Outstanding letters of credit | $     $ 31.0
"Sacramento Case"      
Contingencies      
Number of carriers 5,000    
Number of phases     3
"Fresno Case"      
Contingencies      
Number of carriers   3,500  
Number of phases     2
PNC      
Contingencies      
Ownership Interest (as a percent)     27.00%