XML 63 R45.htm IDEA: XBRL DOCUMENT v3.8.0.1
Marketable Securities (Details 3) - USD ($)
$ in Thousands
Dec. 30, 2017
Dec. 31, 2016
Amortized Cost [Abstract]    
Due in one year or less $ 162,045  
Due after one year through five years 1,108,172  
Due after five years through ten years 160,967  
Due after ten years 15,244  
Total 1,446,428 $ 1,509,924
Fair Value [Abstract]    
Due in one year or less 161,687  
Due after one year through five years 1,089,840  
Due after five years through ten years 155,354  
Due after ten years 14,839  
Total $ 1,421,720 $ 1,480,237