XML 80 R54.htm IDEA: XBRL DOCUMENT v3.19.3
Deferred Revenue (Narrative) (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 29, 2019
USD ($)
Sep. 29, 2019
USD ($)
region
Revenue from Contract with Customer [Abstract]    
Revenue deferred due to unsatisfied performance obligations $ 12.4 $ 32.6
Revenue recognized for satisfaction of performance obligations over time $ 11.9 34.6
Recognized revenue that was included in contract liability balance at beginning of period   $ 22.1
Number of geographic regions in which the Company conducts business | region   3