Commitments and Contingencies (Tables)

9 Months Ended

Jun. 30, 2011

Commitments and Contingencies [Abstract]

Changes in warranty liability

	Three Months Ended						Nine Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
	(In millions)
Warranty liability, beginning of period	$	43.8		$	49.6		$	46.2		$	59.6
Warranties issued		4.3			6.3			10.9			15.5
Changes in liability for pre-existing warranties		0.7			0.6			3.7			(6.6	)
Settlements made		(7.8	)		(7.3	)		(19.8	)		(19.3	)
Warranty liability, end of period	$	41.0		$	49.2		$	41.0		$	49.2