Pension Plans and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Defined Benefit Pension Plans and Postretirement Benefit Plans

	Second Quarter						Six Months
	2019			2018			2019			2018
Service cost — benefits earned during the period (in millions)	$	2.3		$	2.7		$	4.7		$	5.4
Pension non-service income (in millions):
Interest cost on benefit obligation	$	8.4		$	8.2		$	16.8		$	16.3
Expected return on plan assets	(16.6		)	(17.9		)	(33.1		)	(35.8		)
Amortization of prior service cost	(1.5		)	(1.5		)	(3.0		)	(3.0		)
Amortization of net actuarial loss	7.8			7.9			15.5			15.8
Curtailment/settlements	(0.1		)	—			(0.4		)	—
Pension non-service income	$	(2.0	)	$	(3.3	)	$	(4.2	)	$	(6.7	)

Teledyne sponsors several postretirement defined benefit plans that provide health care and life insurance benefits for certain eligible retirees.

	Second Quarter						Six Months
Postretirement benefits non-service (income)/expense (in millions):	2019			2018			2019			2018
Interest cost on benefit obligation	$	0.1		$	0.1		$	0.2		$	0.2
Amortization of net actuarial gain	(0.1		)	(0.1		)	(0.1		)	(0.2		)
Postretirement benefits non-service (income)/expense	$	—		$	—		$	0.1		$	—