Intangible Assets (Tables)

9 Months Ended

Jun. 30, 2011

Intangible Assets [Abstract]

Component of company's intangible assets

	June 30,			September 30,			June 30,
	2011			2010			2010
Goodwill (not subject to amortization)	$	1,612.0		$	1,562.7		$	1,475.9
Other intangible assets:
Customer relationships, noncompete agreements and other	$	240.6		$	215.4		$	202.9
Trademarks (not subject to amortization)		51.9			46.3			41.5
Gross carrying amount		292.5			261.7			244.4
Accumulated amortization		(133.0	)		(111.6	)		(106.3	)
Net carrying amount	$	159.5		$	150.1		$	138.1