Pension and Postretirement Plans (Tables)

9 Months Ended

Sep. 30, 2011

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)	2011			2010			2011			2010			2011			2010
Service cost	$	11.7		$	12.7		$	6.0		$	4.9		$	0.5		$	0.5
Interest cost on benefit obligation	15.3			15.6			7.2			6.7			2.1			2.2
Expected return on plan assets	(24.7		)	(22.5		)	(5.7		)	(4.4		)	(0.4		)	(0.4		)
Recognition of net actuarial loss	8.0			6.2			1.5			1.1			0.1			0.1
Amortization of prior service cost (benefit)	(1.1		)	0.1			—			0.1			—			(0.1		)
	$	9.2		$	12.1		$	9.0		$	8.4		$	2.3		$	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)	2011			2010			2011			2010			2011			2010
Service cost	$	35.1		$	38.1		$	17.5		$	14.1		$	1.5		$	1.5
Interest cost on benefit obligation	45.9			46.8			21.2			19.6			6.3			6.6
Expected return on plan assets	(74.1		)	(67.5		)	(16.9		)	(12.7		)	(1.2		)	(1.2		)
Recognition of net actuarial loss	24.0			18.6			4.3			3.0			0.3			0.3
Amortization of prior service cost (benefit)	(3.3		)	0.3			—			0.3			—			(0.3		)
	$	27.6		$	36.3		$	26.1		$	24.3		$	6.9		$	6.9