Commitments And Contingencies (Tables)

3 Months Ended

Mar. 31, 2012

Commitments And Contingencies [Abstract]

Summary Of Product Warranty Accrual Activity

	Three Months Ended
(Amounts in millions)	March 31, 2012		April 2, 2011
Warranty accrual:
Beginning of period	$	18.6	$	16.9
Additions		2.8		2.8
Usage		(2.9)		(3.0)
End of period	$	18.5	$	16.7