Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2015	Sep. 30, 2014
Statement of Financial Position [Abstract]
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized	180,000,000	180,000,000
Common stock, shares issued	64,653,000	64,362,000
Common stock, shares outstanding	64,653,000	64,362,000