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Warranties (Tables)
 3 Months Ended
Mar. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Changes in accrued product warranty costs
Changes in the carrying amount and accrued product warranty costs for the periods ended March 31, 2013 and 2012 are summarized as follows:
(in millions)
Three Months Ended March 31, 2013
 
Three Months Ended March 31, 2012
Balance at January 1,
$
6.6

 
$
6.5

Settlements made (in cash or in kind)
(1.4
)
 
(1.6
)
Current year accrual
1.5

 
2.0

Effect of foreign currency translation
—

 
—

Balance at March 31,
$
6.7

 
$
6.9