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Commitments and Contingencies (Tables)
 3 Months Ended
Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]  
Changes in warranty liability
Changes in the Company’s warranty liability during the three months ended December 31, 2012 and 2011 were as follows:
 
 
Three Months Ended
December 31,
 
 
2012
 
2011
 
 
(In millions)
Warranty liability, beginning of period
 
$
56.8

 
$
46.2

Warranties issued
 
5.5

 
4.1

Changes in liability for pre-existing warranties
 
3.6

 
1.9

Settlements made
 
(9.3
)
 
(6.2
)
Warranty liability, end of period
 
$
56.6

 
$
46.0
Rollforward of the reserve of legal claims
Following is a rollforward of the balance of the reserves for the three months ended December 31, 2012:
 
Three Months Ended
 
December 31, 2012
 
(In millions)
Reserves for legal claims, beginning of period
$
544.9

Payments
(8.2
)
Decrease in reserves
(6.9
)
Reserves for legal claims, end of period
$
529.8