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RELINQUISHMENT AGREEMENT (Tables)
12 Months Ended
Sep. 30, 2016
RELINQUISHMENT AGREEMENT [Abstract]  
Relinquishment payments
Relinquishment payments consisted of the following (in millions):
 
For the Fiscal Years Ended
 
September 30, 2016
 
September 30, 2015
 
September 30, 2014
Principal
$

 
$
24.4

 
$
46.6

Accretion of discount (1)

 
0.8

 
2.9

Total
$

 
$
25.2

 
$
49.5


__________
(1)
Reflects accretion of the discount to the present value of the relinquishment liability for the impact of the time value of money.