v3.7.0.1
Stockholders’ Equity - Stock Options, Valuation Assumptions (Details)
6 Months Ended
Jul. 01, 2017
Jun. 25, 2016
Equity [Abstract]    
Risk-free interest rate, minimum 1.86% 1.30%
Risk-free interest rate, maximum 2.18% 1.60%
Volatility, minimum 32.89%  
Volatility, maximum 33.37%  
Expected term (years) 6 years 3 months 6 years 3 months
Volatility   38.23%
Expected dividend yield 0.00% 0.00%