XML 54 R40.htm IDEA: XBRL DOCUMENT v3.5.0.2
DEBT (Gains on Extinguishment of Debt) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Debt Instrument [Line Items]      
Gain (loss) on extinguishment of debt $ 69,041 $ 0 $ 0
Senior Notes [Member] | 6.5% Senior Notes [Member]      
Debt Instrument [Line Items]      
Principal amount repurchased 201,400    
Repayments of debt 135,700    
Payment of accrued interest 3,700    
Gain (loss) on extinguishment of debt 69,000    
Extinguishment of debt, gain (loss), net of tax $ 54,700    
Gain (loss) of debt retirement per diluted share (in dollars per share) $ 0.84