Guarantees (Tables)

3 Months Ended

Dec. 31, 2012

Guarantees [Abstract]

Reconciliation of Changes in the Warranty Reserve

	Quarterly Period Ended December 31
	2012			2011
Balance at beginning of period	$	42.2		$	17.8
Provision for warranties during the period		6.6			3.3
Warranty claims during the period		(6.8	)		(3.3	)
Balance at end of period	$	42.0		$	17.8