Quarterly report pursuant to Section 13 or 15(d)

Net Income Per Share (Narrative) (Details)

v3.8.0.1
Net Income Per Share (Narrative) (Details) - shares
3 Months Ended
Apr. 01, 2018
Mar. 26, 2017
Earnings Per Share [Abstract]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 11,500 8,000