XML 60 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
Revenue - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 29, 2018
Dec. 30, 2017
Revenue from Contract with Customer [Abstract]      
Accrued sales incentives $ 8.6 $ 8.6 $ 6.9
Deferred revenue 19.1 19.1 $ 21.8
Revenue recognized $ 3.2 $ 21.3