Defined Benefit Pension Plans and Other Post-Employment Benefit Plans

The following table shows the components of our net periodic benefit cost (income) for our defined benefit pension plans for the three and nine months ended September 30, 2018 and 2017:



	Three Months Ended September 30, 2018									Three Months Ended September 30, 2017
(In millions)	U.S.			International			Total			U.S.			International			Total
Components of net periodic benefit cost (income):
Service cost	$	—		$	1.0		$	1.0		$	—		$	1.7		$	1.7
Interest cost	1.6			3.9			5.5			1.6			4.0			5.6
Expected return on plan assets	(2.2		)	(7.4		)	(9.6		)	(2.4		)	(7.6		)	(10.0		)
Amortization of net actuarial loss	0.3			0.6			0.9			0.2			1.4			1.6
Net periodic income	(0.3		)	(1.9		)	(2.2		)	(0.6		)	(0.5		)	(1.1		)
Cost of settlement/curtailment	1.4			0.2			1.6			0.4			0.9			1.3
Total benefit cost (income)	$	1.1		$	(1.7	)	$	(0.6	)	$	(0.2	)	$	0.4		$	0.2



	Nine Months Ended September 30, 2018									Nine Months Ended September 30, 2017
(In millions)	U.S.			International			Total			U.S.			International			Total
Components of net periodic benefit cost (income):
Service cost	$	0.1		$	3.1		$	3.2		$	0.1		$	5.1		$	5.2
Interest cost	4.8			11.7			16.5			5.1			12.0			17.1
Expected return on plan assets	(6.6		)	(22.3		)	(28.9		)	(7.3		)	(22.8		)	(30.1		)
Amortization of net actuarial loss	0.7			1.9			2.6			0.6			4.2			4.8
Net periodic income	(1.0		)	(5.6		)	(6.6		)	(1.5		)	(1.5		)	(3.0		)
Cost of settlement/curtailment	1.4			0.3			1.7			1.2			1.4			2.6
Total benefit cost (income)	$	0.4		$	(5.3	)	$	(4.9	)	$	(0.3	)	$	(0.1	)	$	(0.4	)

The following table shows the components of our net periodic benefit cost (income) for our other post-retirement employee benefit plans for the three and nine months ended September 30, 2018 and 2017:



	Three Months Ended September 30,					Nine Months Ended September 30,
(In millions)	2018		2017			2018			2017
Components of net periodic benefit cost (income):
Service costs	$	—	$	—		$	—		$	0.1
Interest cost	0.4		0.4			1.1			1.3
Amortization of net prior service cost	—		(0.3		)	(0.2		)	(1.1		)
Amortization of net actuarial loss	—		—			(0.1		)	(0.1		)
Net periodic benefit cost	0.4		0.1			0.8			0.2
Income of settlement/curtailment	—		(13.5		)	—			(13.5		)
Total benefit cost (income)	$	0.4	$	(13.4	)	$	0.8		$	(13.3	)

In 2017, the net periodic (income) costs related to Diversey plans were excluded from the tables above. The amounts of the costs charged to discontinued operations were as follows:



(In millions)	Three Months Ended September 30, 2017			Nine Months Ended September 30, 2017
Defined benefit pension plans	$	(0.1	)	$	(0.5	)
Other employee benefit plans	0.1			0.1
Total income included in discontinued operations	$	—		$	(0.4	)