Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 29, 2013 LegalMatter	Dec. 31, 2012
Loss Contingencies [Line Items]
Number of lawsuits	2,000
Number of claims in lawsuit	2,300
Estimated liability for asbestos-related claims	$ 227.9	$ 235.5
Estimated receivable for insurance recoveries	156.5	157.4
Environmental reserve	34.7	37.4
Letters of credit outstanding	$ 519.2	$ 493.2

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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