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Commitment and Contingencies - Additional Information (Detail)
$ in Thousands
1 Months Ended 12 Months Ended
Mar. 29, 2014
LegalMatter
Jan. 02, 2016
USD ($)
Jan. 03, 2015
USD ($)
Dec. 28, 2013
USD ($)
Loss Contingencies        
Securities class action filed | LegalMatter 2      
Rent expense charged to operations under operating leases | $   $ 42,133 $ 44,228 $ 46,300