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Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Operating Leases      
2018 $ 29,135    
2019 24,018    
2020 17,949    
2021 13,883    
2022 9,252    
Thereafter 19,480    
Total minimum lease payments 113,717    
Rent expense $ 32,158 $ 35,288 $ 33,970