PENSION AND POSTRETIREMENT PLANS (Tables)

6 Months Ended

Jun. 30, 2017

PENSION AND POSTRETIREMENT PLANS

Net periodic pension and postretirement health care benefit costs

	U.S.				International				U.S. Postretirement
	Pension				Pension				Health Care
(millions)	2017		2016		2017		2016		2017		2016
Service cost		$ 17.5		$ 16.8		$ 7.6		$ 7.0		$ 0.7		$ 0.8
Interest cost on benefit obligation		20.9		20.4		6.9		8.1		1.5		2.0
Expected return on plan assets		(37.4)		(35.9)		(13.7)		(13.5)		(0.1)		(0.2)
Recognition of net actuarial (gain) loss		7.2		7.7		4.5		3.6		(0.6)		(0.4)
Amortization of prior service
cost (benefit)		(1.7)		(1.7)		(0.2)		(0.2)		(4.2)		(0.1)
Total expense		$ 6.5		$ 7.3		$ 5.1		$ 5.0		$ (2.7)		$ 2.1

The components of net periodic pension and postretirement health care benefit costs for the six months ended June 30 are as follows:

	U.S.				International				U.S. Postretirement
	Pension				Pension				Health Care
(millions)	2017		2016		2017		2016		2017		2016
Service cost		$ 35.1		$ 33.5		$ 15.1		$ 13.9		$ 1.3		$ 1.5
Interest cost on benefit obligation		41.7		40.8		13.8		16.2		2.9		4.1
Expected return on plan assets		(74.9)		(71.8)		(27.4)		(27.0)		(0.3)		(0.4)
Recognition of net actuarial (gain) loss		14.3		15.4		8.9		7.2		(1.2)		(0.8)
Amortization of prior service
cost (benefit)		(3.4)		(3.5)		(0.3)		(0.4)		(8.3)		(0.1)
Total expense		$ 12.8		$ 14.4		$ 10.1		$ 9.9		$ (5.6)		$ 4.3