XML 45 R71.htm IDEA: XBRL DOCUMENT v3.19.3
Stock-based Compensation and Other Stock Plans - Stock Options Narrative (Details) - Stock Option - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average contractual term (in years)     10 years  
Weighted-average grant date fair value granted (in dollars per share)     $ 29.98 $ 30.21
Intrinsic value of stock exercised $ 3.9 $ 18.1 $ 16.2 $ 39.3
Fair value of stock vested     15.7 $ 16.0
Unrecognized compensation cost related to non-vested award $ 19.4   $ 19.4  
Cost expected to be recognized over weighted-average period, in years     1 year 8 months 12 days