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Computation of Earnings Per Share - Narrative (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2016
Oct. 02, 2015
Sep. 30, 2016
Oct. 02, 2015
Stock Compensation Plan [Member]        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Antidilutive securities excluded from EPS (in shares) 483,556 507,917 561,297 488,868
Warrant [Member]        
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Antidilutive securities excluded from EPS (in shares) 3,435,712 3,424,229 3,433,632 3,420,743