XML 65 R54.htm IDEA: XBRL DOCUMENT v3.25.2
Note 9 - Pension and Other Postretirement Benefits (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Pension Plan [Member]        
Net service cost $ 66 $ 66 $ 129 $ 133
Interest cost 205 190 406 381
Expected return on plan assets (174) (209) (343) (419)
Amortization of actuarial losses (gains) 2 4 5 9
Net periodic benefit cost 99 51 197 104
Other Postretirement Benefits Plan [Member]        
Net service cost 3 4 7 8
Interest cost 28 27 57 54
Expected return on plan assets 0 0 0 0
Amortization of actuarial losses (gains) (8) (3) (16) (6)
Net periodic benefit cost $ 23 $ 28 $ 48 $ 56