Pension Plans and Postretirement Benefits (Tables)

6 Months Ended

Jun. 28, 2020

Retirement Benefits [Abstract]

Defined Benefit Pension Plans and Postretirement Benefit Plans

	Second Quarter				Six Months
	2020		2019		2020		2019
Service cost — benefits earned during the period (in millions)	$	2.6	$	2.3	$	5.2	$	4.7
Pension non-service income (in millions):
Interest cost on benefit obligation	$	6.8	$	8.4	$	13.7	$	16.8
Expected return on plan assets	(14.3)		(16.6)		(28.6)		(33.1)
Amortization of prior service cost	(1.5)		(1.5)		(3.0)		(3.0)
Amortization of net actuarial loss	5.8		7.8		11.5		15.5
Curtailment/settlements	—		(0.1)		0.7		(0.4)
Pension non-service income	$	(3.2)	$	(2.0)	$	(5.7)	$	(4.2)

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.