XML 31 R20.htm IDEA: XBRL DOCUMENT v3.21.1
Pension Plans and Postretirement Benefits
 3 Months Ended
Apr. 04, 2021
Retirement Benefits [Abstract]  
Pension Plans and Postretirement Benefits Pension Plans and Postretirement Benefits
For the domestic qualified pension plans, the weighted-average discount rate decreased to 2.64% in 2021, compared with 3.41% for 2020. Teledyne has not made any cash pension contributions to its domestic qualified pension plans since 2013 and no cash pension contributions are planned for 2021.
 First Quarter
20212020
Service cost — benefits earned during the period (in millions)$2.7 $2.6 
Pension non-service income (in millions):
Interest cost on benefit obligation$5.6 $6.9 
Expected return on plan assets(14.3)(14.3)
Amortization of prior service cost(0.8)(1.5)
Amortization of net actuarial loss6.7 5.7 
Curtailment/settlements— 0.7 
Pension non-service income$(2.8)$(2.5)
Teledyne sponsors several postretirement defined benefit plans that provide health care and life insurance benefits for certain eligible retirees. Postretirement benefits non-service expense is not material.