STATEMENTS OF CONSOLIDATED SHAREHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock Outstanding [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Common Stock in Treasury [Member]	Total Equity Attributable to Common Shareholders [Member]	Noncontrolling Interests [Member]
Beginning Balance at Sep. 30, 2012	$ 812.6		$ 4.4	$ 116.8	$ 1,400.3	$ (78.0)	$ (630.9)	$ 812.6
Balance, shares at Sep. 30, 2012		60,796,923					(19,526,989)
Net income	105.0				$ 105.0			105.0
Other comprehensive income (loss), net of tax of ($18.1), $4.9 and $5.1 in 2013, 2014, and 2015	42.3					$ 42.3		42.3
Dividends	(31.2)			$ 0.3	$ (31.5)			(31.2)
Treasury shares acquired	(94.0)						$ (94.0)	(94.0)
Treasury shares acquired, shares		(2,844,765)					(2,844,765)
Stock awards and option exercises	24.0			$ 5.6			$ 18.4	24.0
Stock awards and option exercises, shares		571,234					(571,234)
Ending Balance at Sep. 30, 2013	858.7		$ 4.4	$ 122.7	$ 1,473.8	$ (35.7)	$ (706.5)	858.7
Balance, shares at Sep. 30, 2013		58,523,392					(21,800,520)
Net income	60.6				$ 60.6			60.6
Other comprehensive income (loss), net of tax of ($18.1), $4.9 and $5.1 in 2013, 2014, and 2015	(38.4)					$ (38.4)		(38.4)
Dividends	(34.2)			$ 0.4	$ (34.6)			(34.2)
Treasury shares acquired	(71.8)						$ (71.8)	(71.8)
Treasury shares acquired, shares		(1,709,523)					(1,709,523)
Stock awards and option exercises	31.6			$ 11.0			$ 20.6	31.6
Stock awards and option exercises, shares		626,042					(626,042)
Ending Balance at Sep. 30, 2014	806.5		$ 4.4	$ 134.1	$ 1,499.8	$ (74.1)	$ (757.7)	806.5
Balance, shares at Sep. 30, 2014		57,439,911					(22,884,001)
Net income	46.8				$ 47.7			$ 47.7	$ (0.9)
Consolidation of noncontrolling interest	10.9								$ 10.9
Other comprehensive income (loss), net of tax of ($18.1), $4.9 and $5.1 in 2013, 2014, and 2015	(66.7)					$ (66.7)		$ (66.7)
Dividends	(37.1)			$ 0.5	$ (37.6)			(37.1)
Issuance of common stock	416.3			$ 416.3				416.3
Issuance of common stock, shares		8,133,722
Treasury shares acquired	(63.3)						$ (63.3)	(63.3)
Treasury shares acquired, shares		(1,373,321)					(1,373,321)
Stock awards and option exercises	43.5			$ 11.1			$ 32.4	43.5
Stock awards and option exercises, shares		965,584					(965,584)
Ending Balance at Sep. 30, 2015	$ 1,156.9		$ 4.4	$ 562.0	$ 1,509.9	$ (140.8)	$ (788.6)	$ 1,146.9	$ 10.0
Balance, shares at Sep. 30, 2015		65,165,896					(23,291,738)