Stock-based Compensation (Tables)
|6 Months Ended|
Jul. 01, 2017
|Disclosure of Compensation Related Costs, Share-based Payments [Abstract]|
|Schedule of Assumption Used and Resulting Weighted Average Fair Value of Stock Option Granted||
The grant date fair value of each option award is calculated using a lattice option-pricing valuation model, which incorporates a range of assumptions for inputs as follows:
Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.
Reference 1: http://www.xbrl.org/2003/role/presentationRef