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Summary Of Accounting Policies (Accumulated Other Comprehensive Loss) (Detail) (USD $) In Millions, unless otherwise specified	Dec. 29, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income Loss [Line Items]
Foreign currency translation adjustment	$ 129.7	$ 94.7
Unamortized loss on pension and postretirement benefit plans, net of tax of $144.1 million and $157.8 million, respectively	(255.6)	(271.4)
Other	1.7	2.1
Accumulated OCI	$ (124.2)	$ (174.6)

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