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Goodwill and Other Identifiable Intangible Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Dec. 31, 2011
Expected Amortization Expense [Line Items]          
Accumulated goodwill impairment losses $ 200.5 $ 0 $ 200.5 $ 0 $ 200.5
Intangible assets amortization expense $ 9.9 $ 10.8 $ 19.7 $ 17.2