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Leases - Rental Expense, Net of Sublease Income (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Operating Leases Rent Expense [Abstract]      
Minimum rentals $ 55,159 $ 57,478 $ 57,625
Contingent rent (reductions) increases (237) 314 267
Sublease rental income (3,407) (4,830) (5,311)
Total $ 51,515 $ 52,962 $ 52,581