XML 45 R34.htm IDEA: XBRL DOCUMENT v3.19.2
Stock-based Compensation Expense Tables (Tables)
 6 Months Ended
Jun. 28, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule Of Share Based Payment Award SARs Valuation Assumptions [Table Text Block] The Company estimated the fair value of the SARs using the following weighted-average assumptions in the Black-Scholes model:
Risk-free interest rate
 
2.47
%
Dividend yield
 
0.7
%
Volatility
 
31.7
%
Expected term (in years)
 
5.2