Legal and Other Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 29, 2012	Oct. 01, 2011 Facility	Sep. 29, 2012	Sep. 29, 2012	Dec. 31, 2011
Loss Contingencies [Line Items]
Reserves for pending legal disputes, including commercial disputes and other matters	$ 14.2		$ 14.2	$ 14.2	$ 17.0
Environmental Reserves	5.2		5.2	5.2	2.8
Number of production facilities destroyed by fire		1
Incurred losses and incremental costs related to the destruction of assets caused by a fire	9.6		27.4	51.4
Insurance proceeds			37.8	50.4
Insurance proceeds, operating activities			26.4	35.5
Insurance proceeds, investing activities			11.4	14.9
Cost of Sales
Loss Contingencies [Line Items]
Insurance recoveries	5.8		26.0	36.1
Other (Income) Expense
Loss Contingencies [Line Items]
Insurance recoveries	$ 7.2		$ 12.3	$ 15.7