Income Taxes (Deferred Tax Assets And Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2011	Sep. 30, 2010
Income Taxes [Abstract]
Deferred Tax Assets, Current	$ 19.6	$ 19.6
Deferred Tax Liabilities, Current		(9.0)
Deferred Tax Assets, Other	2.1
Deferred Tax Liabilities, Other		(9.0)
Deferred Tax Assets (Liabilities), Current	19.6	10.6
Deferred Tax Assets, Noncurrent	135.4	136.2
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Deferred And Stock Based Compensation	36.5	32.1
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Self Insurance	3.8	3.1
Deferred Tax Assets, Operating Loss And Tax Credit Carryforwards	25.3	41.9
Deferred Tax Assets, Other	8.3	6.9
Deferred Tax Liabilities, Noncurrent	767.3	(816.8)
Deferred Tax Liabilities, Property, Plant and Equipment	(237.9)	(231.9)
Deferred Tax Liabilities, Goodwill and Intangible Assets	(529.4)	(584.9)
Deferred Tax Assets (Liabilities), Noncurrent	(631.9)	(680.6)
Deferred Tax Assets, Gross	155.0	155.8
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions And Postretirement Benefits	61.5	52.2
Deferred Tax Assets, Inventory	2.1	2.0
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	15.4	17.6
Deferred Tax Assets (Liabilities), Gross	(612.3)	(670.0)
Deferred Tax Assets, Valuation Allowance, Noncurrent	(3.7)	(4.5)
Deferred Tax Assets, Net	151.3	151.3
Deferred Tax Liabilities	(767.3)	(825.8)
Net Deferred Tax Assets (Liabilities)	$ (616.0)	$ (674.5)