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Other Expense, Net - Additional Information (Detail) - Other expense, net - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 26, 2015
Sep. 27, 2014
Debt Instrument [Line Items]        
Gain (loss) on extinguishment of debt     $ (14.3) $ (17.5)
Net foreign currency transaction gains (losses) $ (13.6) $ (10.7) $ (27.9) $ (22.7)