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Intangible and Other Assets (Amortization Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
INTANGIBLE AND OTHER ASSETS      
Amortization expense for intangible assets $ 15,000 $ 4,900 $ 5,100
Estimated aggregate future amortization expense by fiscal year      
2017 14,696    
2018 14,343    
2019 14,015    
2020 13,531    
2021 $ 9,714