XML 38 R37.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Revenues (Revenues Disaggregated by Geographic Region) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 03, 2020
Sep. 27, 2019
Jun. 28, 2019
Mar. 29, 2019
Dec. 28, 2018
Sep. 29, 2018
Jun. 29, 2018
Mar. 31, 2018
Jan. 03, 2020
Dec. 28, 2018
Dec. 29, 2017
Disaggregation of Revenue [Line Items]                      
Total revenues $ 240,310 $ 271,703 $ 240,275 $ 215,487 $ 228,602 $ 225,397 $ 186,108 $ 213,719 $ 967,775 $ 853,826 $ 452,477
U.S.                      
Disaggregation of Revenue [Line Items]                      
Total revenues                 770,244 632,927 367,906
Europe                      
Disaggregation of Revenue [Line Items]                      
Total revenues                 152,771 182,879 69,792
Japan                      
Disaggregation of Revenue [Line Items]                      
Total revenues                 $ 44,760 $ 38,020 $ 14,779