Postretirement Benefits (Tables)
|3 Months Ended|
Mar. 31, 2018
|Defined Benefit Plan [Abstract]|
|Schedule of Net Pension and Other Benefit Costs||
Pension and other postretirement benefit costs included the following components for the three months ended March 31, 2018 and April 1, 2017:
Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.
Reference 1: http://www.xbrl.org/2003/role/presentationRef