Pension and Postretirement Plans (Tables)

6 Months Ended

Jun. 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 second quarter ended June 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		$	7.3		$	5.9		$	1.3		$	0.5
Interest cost on benefit obligation	22.3			15.3			12.0			7.2			3.2			2.1
Expected return on plan assets	(31.8		)	(24.7		)	(10.7		)	(5.7		)	(0.3		)	(0.4		)
Recognition of net actuarial loss	11.3			8.0			1.0			1.4			0.1			0.1
Amortization of prior service cost (benefit)	(1.0		)	(1.1		)	—			—			—			—
Settlements/curtailments	—			—			0.8			—			—			—
	$	13.4		$	9.2		$	10.4		$	8.8		$	4.3		$	2.3

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						Postretirement
	U.S. Pension						Pension						Health Care
(millions)	2012			2011			2012			2011			2012			2011
Service cost	$	25.2		$	23.4		$	14.7		$	11.5		$	2.5		$	1.0
Interest cost on benefit obligation	44.7			30.6			23.8			14.0			6.5			4.2
Expected return on plan assets	(63.6		)	(49.4		)	(21.2		)	(11.2		)	(0.6		)	(0.8		)
Recognition of net actuarial loss	22.6			16.0			2.0			2.8			0.2			0.2
Amortization of prior service cost (benefit)	(2.1		)	(2.2		)	(0.1		)	—			—			—
Settlements/curtailments	—			—			0.8			—			—			—
	$	26.8		$	18.4		$	20.0		$	17.1		$	8.6		$	4.6