Pension and Postretirement Health Care (Tables)

9 Months Ended

Sep. 30, 2019

The following table sets forth the net periodic pension and postretirement benefit expense for Northern Trust’s U.S. and non-U.S. pension plans, supplemental pension plan, and postretirement health care plan for the three and nine months ended September 30, 2019 and 2018.

Table 66: Net Periodic Pension Expense (Benefit)



Net Periodic Pension Expense U.S. Plan	Three Months Ended September 30,						Nine Months Ended September 30,
(In Millions)	2019			2018			2019			2018
Service Cost	$	10.4		$	10.4		$	31.2		$	31.1
Interest Cost	11.8			11.1			35.4			33.3
Expected Return on Plan Assets	(21.7		)	(22.1		)	(65.1		)	(66.2		)
Amortization
Net Actuarial Loss	4.3			7.0			12.9			21.1
Prior Service Cost	(0.1		)	(0.1		)	(0.3		)	(0.3		)
Net Periodic Pension Expense	$	4.7		$	6.3		$	14.1		$	19.0



Net Periodic Pension Expense Non-U.S. Plans	Three Months Ended September 30,						Nine Months Ended September 30,
(In Millions)	2019			2018			2019			2018
Service Cost	$	0.5		$	0.4		$	1.5		$	1.2
Interest Cost	0.9			1.0			2.9			3.0
Expected Return on Plan Assets	(1.0		)	(1.1		)	(2.9		)	(3.3		)
Settlement Expense	—			—			—			0.4
Amortization
Net Actuarial Loss	0.2			0.3			0.5			0.9
Net Periodic Pension Expense	$	0.6		$	0.6		$	2.0		$	2.2



Net Periodic Pension Expense Supplemental Plan	Three Months Ended September 30,				Nine Months Ended September 30,
(In Millions)	2019		2018		2019		2018
Service Cost	$	1.1	$	1.0	$	3.1	$	3.2
Interest Cost	1.5		1.3		4.4		4.0
Amortization
Net Actuarial Loss	1.4		1.9		4.2		5.5
Prior Service Cost	—		0.1		0.1		0.2
Net Periodic Pension Expense	$	4.0	$	4.3	$	11.8	$	12.9



Net Periodic Postretirement Expense Postretirement Health Care Plan	Three Months Ended September 30,					Nine Months Ended September 30,
(In Millions)	2019			2018		2019			2018
Interest Cost	$	0.3		$	0.3	$	0.9		$	1.0
Amortization
Net Actuarial (Gain)	(0.2		)	—		(0.8		)	—
Net Periodic Postretirement Expense	$	0.1		$	0.3	$	0.1		$	1.0