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Income (Loss) Before Income Taxes (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 27, 2015
Dec. 28, 2014
Dec. 29, 2013
Schedule of Income Before Income Tax [Line Items]      
U.S. $ (26.4) $ 30.0 $ 18.1
Foreign 27.3 (17.4) (6.9)
Income (loss) before income taxes $ 0.9 $ 12.6 $ 11.2