Pension and Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2012

Pension and Postretirement Plans

Net periodic pension and postretirement health care benefit costs

The components of net periodic pension and postretirement health care benefit costs for the third quarter ended September 30 are as follows

													U.S.
							International						Postretirement
	U.S. Pension						Pension						Health Care
(millions)	2012			2011			2012			2011			2012			2011
Service cost	$	12.6		$	11.7		$	7.1		$	6.0		$	1.3		$	0.5
Interest cost on benefit obligation	22.3			15.3			11.6			7.2			3.2			2.1
Expected return on plan assets	(31.8		)	(24.7		)	(10.4		)	(5.7		)	(0.3		)	(0.4		)
Recognition of net actuarial loss	11.3			8.0			0.9			1.5			0.1			0.1
Amortization of prior service benefit	(1.0		)	(1.1		)	(0.1		)	—			—			—
	$	13.4		$	9.2		$	9.1		$	9.0		$	4.3		$	2.3

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

													U.S.
							International						Postretirement
	U.S. Pension						Pension						Health Care
(millions)	2012			2011			2012			2011			2012			2011
Service cost	$	37.8		$	35.1		$	21.8		$	17.5		$	3.9		$	1.5
Interest cost on benefit obligation	66.9			45.9			35.4			21.2			9.6			6.3
Expected return on plan assets	(95.4		)	(74.1		)	(31.6		)	(16.9		)	(0.9		)	(1.2		)
Recognition of net actuarial loss	33.9			24.0			2.9			4.3			0.3			0.3
Amortization of prior service benefit	(3.0		)	(3.3		)	(0.2		)	—			—			—
Settlements/curtailments	—			—			0.8			—			—			—
	$	40.2		$	27.6		$	29.1		$	26.1		$	12.9		$	6.9