Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014
Statement of Financial Position [Abstract]
Receivables, Allowance for Uncollectible Accounts	$ 34,226	$ 31,811
Common Stock, Par Value	$ 1	$ 1
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares Issued	84,528,930	84,157,220
Common Stock, Shares Outstanding	84,528,930	84,157,220