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Subsequent Events	9 Months Ended
Subsequent Events	Jun. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS On June 24, 2016, we commenced a modified "Dutch Auction" tender offer (the "Offer") for up to $150,000,000 aggregate principal amount of our outstanding Senior Notes. On July 25, 2016, we acquired $42.0 million aggregate principal amount of the Senior Notes pursuant to the Offer. Including the purchase price for the Senior Notes, which totaled $31.5 million, and accrued interest payable on the Senior Notes acquired and related fees, the total cost of the Offer was $33.0 million which was funded by available cash balances. As of July 25, 2016, following consummation of the Offer, the Company had $448.7 million aggregate principal amount of Senior Notes outstanding. The purchase price in the Offer represented a discount to the principal amount of the Senior Notes of 25.0%.