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RELINQUISHMENT AGREEMENT (Tables)
9 Months Ended
Jun. 30, 2014
RELINQUISHMENT AGREEMENT [Abstract]  
Relinquishment payments
Relinquishment payments consisted of the following (in millions):
 
For the Nine Months Ended
 
June 30, 2014
 
June 30, 2013
Principal
$
29.1

 
$
28.0

Accretion of discount
2.1

 
3.9

Total
$
31.2

 
$
31.9