Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2011

Benefit Plans [Abstract]

Components of net periodic benefit cost

The components of net periodic benefit cost for the three months ended September 30 were as follows ($ in millions):

	Pension benefits						Other retirement benefits					Total
	2011			2010			2011		2010			2011			2010
Service cost	$	2.1		$	2.1		$	0.3	$	0.4		$	2.4		$	2.5
Interest cost		4.1			4.0			0.3		0.1			4.4			4.1
Expected return on assets		(4.1	)		(4.0	)		-		-			(4.1	)		(4.0	)
Amortization of prior service credit		(0.3	)		(0.3	)		-		-			(0.3	)		(0.3	)
Recognized actuarial losses		1.7			1.6			-		(0.1	)		1.7			1.5
Curtailment gain, net		(0.2	)		-			-		-			(0.2	)		-
Net periodic benefit cost	$	3.3		$	3.4		$	0.6	$	0.4		$	3.9		$	3.8

	Pension benefits				Other retirement benefits				Total
	2011		2010		2011		2010		2011		2010
U.S. plans	$	2.4	$	2.6	$	0.6	$	0.4	$	3.0	$	3.0
International plans		0.9		0.8		-		-		0.9		0.8
Net periodic benefit cost	$	3.3	$	3.4	$	0.6	$	0.4	$	3.9	$	3.8

The components of net periodic benefit cost for the nine months ended September 30 were as follows ($ in millions):

	Pension benefits						Other retirement benefits					Total
	2011			2010			2011		2010			2011			2010
Service cost	$	7.0		$	6.5		$	0.9	$	0.8		$	7.9		$	7.3
Interest cost		12.1			11.5			0.7		0.6			12.8			12.1
Expected return on assets		(12.1	)		(11.0	)		-		-			(12.1	)		(11.0	)
Amortization of transition obligation		0.1			0.1			-		-			0.1			0.1
Amortization of prior service (credit) cost		(1.2	)		(0.9	)		0.1		0.1			(1.1	)		(0.8	)
Recognized actuarial losses		4.6			4.3			-		(0.1	)		4.6			4.2
Curtailment gain, net		(0.2	)		-			-		-			(0.2	)		-
Net periodic benefit cost	$	10.3		$	10.5		$	1.7	$	1.4		$	12.0		$	11.9

	Pension benefits				Other retirement benefits				Total
	2011		2010		2011		2010		2011		2010
U.S. plans	$	7.9	$	8.8	$	1.7	$	1.4	$	9.6	$	10.2
International plans		2.4		1.7		-		-		2.4		1.7
Net periodic benefit cost	$	10.3	$	10.5	$	1.7	$	1.4	$	12.0	$	11.9