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Warranties (Tables)
 12 Months Ended
Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]  
Changes in accrued product warranty costs
Changes in the carrying amount and accrued product warranty costs for the years ended December 31, 2012, 2011 and 2010 are summarized as follows:
(in millions)
 
Balance at January 1, 2010
$
5.1

Settlements of warranty claims (in cash or in kind)
(6.3
)
Current year accruals for warranties
6.8

Adjustments to preexisting warranties
0.4

Effect of foreign currency translation
(0.1
)
Balance at December 31, 2010
$
5.9

Settlements of warranty claims (in cash or in kind)
(5.6
)
Current year accruals for warranties
6.5

Effect of foreign currency translation
(0.3
)
Balance at December 31, 2011
$
6.5

Settlements of warranty claims (in cash or in kind)
(6.3
)
Current year accruals for warranties
6.5

Effect of foreign currency translation
(0.1
)
Balance at December 31, 2012
$
6.6