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Commitments and Contingencies Total Rent Expense (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Oct. 01, 2016
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Commitments and Contingencies Disclosure [Abstract]        
Minimum rent $ 1,202 $ 49,010 $ 49,540 $ 51,603
Percent rent   59 62 60
Sublease income   0 0 (12)
Rent paid to related parties   1,420 1,381 1,479
Total rent expense   $ 50,489 $ 50,983 $ 53,130