Product Warranty Obligations (Tables)

12 Months Ended

Sep. 30, 2011

Product Warranty Obligations [Abstract]

Changes in the product warranty obligations

	September 30,
	2011			2010
Balance at beginning of period	$	37.3		$	32.1
Warranties recorded at time of sale		38.2			41.0
Adjustments to pre-existing warranties		(3.9	)		(1.8	)
Settlements of warranty claims		(33.1	)		(34.0	)
Balance at end of period	$	38.5		$	37.3