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Summary of Significant Accounting Policies-Cash Flow Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Cash paid during the year for:        
Interest (net of amounts capitalized) $ 551 $ 4,052 $ 2,293  
Income taxes 91,061 31,230 36,194  
Noncash investing and financing activities:        
Unpaid purchases of property, plant and equipment 1,559 2,009 4,371  
Proceeds from stock options exercised, unsettled at period end 161 165 0  
Stock repurchased, unsettled at period end 1,988 0 4,815  
Cash and cash equivalents 315,302 305,970 132,317  
Restricted Cash 181 2,228 145  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 315,483 $ 308,198 $ 132,462 $ 134,604