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Warranty Obligations (Tables)
 6 Months Ended
Jun. 30, 2012
Product Warranties Disclosures [Abstract]  
Warranty Cost And Accrual Information
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In millions)
2012
 
2011
 
2012
 
2011
Balance at beginning of period
$
20.1

 
$
21.1

 
$
25.7

 
$
22.4

Expense for new warranties
7.8

 
13.6

 
15.6

 
17.1

Adjustments to existing accruals
7.5

 
0.7

 
5.9

 
1.4

Claims paid
(11.6
)
 
(7.1
)
 
(23.4
)
 
(12.6
)
Balance at end of period
$
23.8

 
$
28.3

 
$
23.8

 
$
28.3