v3.10.0.1
Net Income Per Share (Details Textual) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 28, 2018
Sep. 29, 2017
Sep. 28, 2018
Sep. 29, 2017
Earnings Per Share [Abstract]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 3.5 3.5 2.8 2.8