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Software Development Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Research and Development [Abstract]      
Software development costs $ 705,944 $ 704,882 $ 685,260
Capitalized software development costs (274,148) (293,696) (264,656)
Amortization of capitalized software development costs (173,250) (140,232) (119,195)
Total software development expense 605,046 551,418 $ 539,799
Accumulated capitalized computer software amortization $ 1,300,000 $ 1,100,000