XML 30 R20.htm IDEA: XBRL DOCUMENT v3.20.2
Post-Retirement Health Care
 6 Months Ended
Jun. 27, 2020
Retirement Benefits [Abstract]  
Post-Retirement Health Care Post-Retirement Health Care
The following table sets forth the components of net periodic benefit costs included in the Condensed Consolidated Statements of Comprehensive Income (in thousands):
 Three Months EndedSix Months Ended
June 27,
2020		June 29,
2019		June 27,
2020		June 29,
2019
Service cost$194  $170  $389  $340  
Interest cost169  199  338  398  
Amortization of net loss9  —  9  —  
Net periodic post-retirement benefit cost$372  $369  $736  $738