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Income Taxes - Narrative (Detail) - USD ($)
$ in Millions
12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Jan. 04, 2014
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 35.00%    
Non-cash tax benefit on the loss from continuing operations     $ 8.7
Unrecognized tax benefits, if recognized, would reduce effective tax rate $ 0.2 $ 0.2